Chrisothemis Perdikea · The Decoder
I work on how people decide, trust, buy and react, and I turn that knowledge into better strategy, better experiences and stronger businesses.
The Decoder
The Decoder is my personal approach to behavior and decision-making.
I decode the small patterns that usually go unnoticed at first glance: why someone trusts a brand, why they hesitate, why they change their mind, why one experience works and another doesn’t.
I’m not only interested in what people do. I’m interested in why they do it, and what we can build better once we understand it.
Let’s play
Do you control your choices?
Persuade. Influence. Sell.
About
Business & Behavioral Strategist · Entrepreneur · Co-Founder of Connected
I study people. I work with businesses. And I question the things we take for granted.
I’m a Business & Behavioral Strategist, Entrepreneur, Author, Advisor, Trainer and Co-Founder of Connected.
My work brings together human behavior, marketing, business strategy and technology to understand how people make decisions and what businesses can do with that understanding.
I’ve always been curious about why people do what they do.
That curiosity has shaped much of my professional life.
I’ve worked across marketing, branding, creative direction and business development, and over time, my interest in human behavior became an increasingly important part of how I approach problems.
Today, I work with businesses, develop ideas and tools, teach, write and explore the connection between what people think, what they feel and what they actually do.
I’m also an award-winning illustrator and author, with creative roots in writing, screenwriting, image and storytelling. That side of my journey still deeply shapes the way I think and observe the world. It has taught me to notice details, to look for what hides behind the obvious and to connect elements that at first seem unrelated. It’s a creative lens I bring to this day to the way I study human behavior, analyze situations and approach every problem.
I don’t believe every problem has a complicated answer. But I do believe it’s worth understanding the problem before deciding what to do about it.
Chrisothemis Perdikea · The Decoder
I’m a Business & Behavioral Strategist, Nonverbal Communication Specialist, Entrepreneur, Consultant and Trainer.
My work connects behavioral science, neuromarketing, nonverbal communication and business strategy to understand how people perceive, decide, interact and respond.
Tap a circle to see what each discipline brings.
The Decoder
Connecting observations, research, context and evidence to understand human behavior, and apply what we learn.
Different disciplines. One question: What’s really happening here?
What I do
My work spans several areas, but they share one starting point: understanding people and the decisions they make.
Understanding what influences people’s decisions, perceptions, trust and behavior and applying those insights to business and marketing challenges.
Exploring facial expressions, body language, nonverbal signals and the role of context in how people communicate and interpret one another.
Helping businesses understand their audiences, improve their positioning, rethink customer experiences and identify opportunities for growth.
Building businesses, developing new concepts and exploring how strategy, creativity and technology can solve practical problems.
My personal signature
There’s usually more to the story.
Why do customers abandon a purchase at the last moment?
Why does a negative review influence us more than dozens of positive ones?
Why do some ideas spread while others disappear?
And why do people sometimes act in ways that seem completely irrational?
These are the kinds of questions I like exploring.
Through The Decoder, I examine everyday decisions, business practices, marketing, cultural trends and human behavior to understand what might be happening beneath the surface.
I look at research, real examples and alternative explanations, because a compelling story isn’t necessarily the correct explanation.
Look closer. Think differently.
The Decoder · Why human behavior matters
For decades, businesses have measured what people do. The harder question has always been why.
Traditional marketing can help us measure the outcome. Behavioral science helps us investigate the decisions behind it. And that changes the questions we ask, the experiences we design and the way businesses grow.
The science behind the decisions
People don’t always tell you why they choose. Their behavior can reveal what to investigate.
Why do we trust one business and hesitate with another? Why does a small change in wording influence a decision? Why do customers leave even when they seem interested?
I study the signals behind these moments, connecting behavioral research with customer experience, marketing and business strategy. Not to guess what people are thinking. To ask better questions, test possible explanations and help businesses make more informed decisions.
Two fields that are often confused
Applies insights from behavioral science to understand how attention, context, habits, social influence and the way choices are presented shape decisions.
In practice We examine why a customer hesitates, what makes a choice difficult and which changes are worth testing.
Studies how people respond to marketing stimuli using methods from neuroscience and physiology, such as eye-tracking, EEG or measures of electrodermal activity.
In practice We can examine where visual attention goes or how physiological arousal changes. Not read minds.
A note on honesty Behavioral analysis without specialized equipment is not a neurophysiological measurement. I draw on neuromarketing and behavioral science research, and I always say which data were actually collected.
The Decoder · Interactive demo
Choose a business problem and explore how observations become questions, tests and measurable decisions.
01 / Observed signal
Many customers begin checkout but do not complete it.
This is an observation, not yet an explanation.
Illustrative diagnostic exercise. No live customer data or verified results are represented.
Decode a decision
These are documented research findings and public examples I use to explain how I think. They are not Connected client results.
Before · Illustrative checkoutAfter · Proposed test
Your order
Product$48
ShippingCalculated later$5
Total$53
Create an account to continueContinue as guest →
? !Example 01 · Customer friction
What I would investigate Is the customer leaving because of the price, the uncertainty around the final cost, the need to create an account, or simply because they weren’t ready to buy?
I would examine the checkout steps, customer feedback and abandonment patterns before testing a clearer total and a more accessible guest checkout.
Research basis In Baymard Institute’s checkout research, extra costs (40%) and required account creation (18%) are among the most common documented reasons shoppers abandon a purchase. The mockup is illustrative, not a Connected client result.
Illustrative letter · based on a UK trial
A tax-payment reminder
“9 out of 10 people have already paid their tax.”
HMExample 02 · Social influence
In a UK government project, letters highlighting that most people had already paid helped increase timely tax payments. The principle is social norms: what we believe others do can influence our own choices.
What I would investigate Who is delivering the message? Is the claim accurate and relevant to this audience? Does the message make the requested action clearer, or simply apply pressure?
This is why behavioral strategy is more than writing persuasive copy.
Source GOV.UK · Fraud, error and debt: Behavioural Insights Team paper (2012)
The obstacle: clearing the loft before insulationThe intervention: offer a loft-clearing service
Example 03 · Hidden effort
A UK home insulation subsidy was available, but participation was disappointing. A practical obstacle stood in the way: people first had to clear out their loft. A trial with the UK’s Behavioural Insights Team tested offering a loft-clearing service alongside the insulation.
What I would investigate When a customer says an offer is interesting but doesn’t act, is the real obstacle the offer itself, or the work required to accept it?
Sometimes the growth opportunity isn’t a bigger discount. It’s removing a step nobody thought to question.
The Decoder note This story is often told as a big success. The official report is more careful: more households took up insulation where clearance was offered, but the numbers were too small for firm conclusions. A compelling story isn’t necessarily the correct explanation. The idea is worth testing, not assuming.
Beyond words · Nonverbal communication
Someone crosses their arms during a meeting. Are they defensive? Uncomfortable? Cold? Concentrating? Or simply sitting in a position they find comfortable?
The gesture is visible. The meaning isn’t necessarily obvious.
The Decoder experiment · 01
You’re in a meeting. The person across from you folds their arms while listening. What’s your first interpretation?
Crossed arms can come with disagreement, but also with feeling cold, concentrating, self-comfort or simple habit. Seen once, a single gesture rarely tells you which. What helps: the person’s usual baseline, changes over time, other signals happening at the same moment, and the situation itself.
Decode the moment · add context
Educational scenario. The illustration is not evidence of anyone’s actual emotional state.
Nonverbal communication is more than body language. It involves facial expressions, gestures, posture, vocal cues, interpersonal distance, timing and the context in which communication happens.
I examine how these signals contribute to human interaction, what research can tell us about them, and why interpreting a single gesture without context can lead us to the wrong conclusion.
The skill isn’t seeing more meaning in everything. It’s knowing what the evidence allows you to conclude.
09:42
Manager · Message received
We need to talk.
The Decoder experiment · 02
You receive this message from your manager. What comes to mind first?
Four words. Your mind filled in the rest.
When information is missing, people often rely on expectations and past experience. How strongly that happens depends on the situation, the relationship and the moment.
The same happens with customers: an unclear message, a missing price, a pause in a meeting. People fill the gap, and not always in your favor.
Illustrative exercise, not a psychological assessment or a measured experiment.
Why it matters more every year
We work through screens. We meet through cameras. We interact with AI systems, automated services and people we may never meet in person. But communication has never been just about words.
Tone, timing, facial expressions, gestures, context and expectations can all contribute to how a message is understood. Not to claim we know what someone is thinking, but to become better observers, more thoughtful communicators and more aware of how easily we can misunderstand one another.
Eye tracking & heatmaps
Imagine spending thousands on a website, only to discover that visitors barely notice the information you consider most important.
Eye tracking helps us study where people look, in what order and for how long.
Heatmaps turn behavioral data into visual patterns, making it easier to identify areas that attract attention, elements that are overlooked and parts of an experience that may deserve closer investigation.
But there’s an important distinction: looking at something doesn’t necessarily mean understanding it, liking it or remembering it.
That’s why I don’t treat a colorful heatmap as an answer. I treat it as another piece of evidence. The interesting question isn’t simply where people looked. It’s what that observation can help us investigate next.
1Most attention: the people in the photo
2Then the headline
3The button: barely noticed
Example · Illustrative scenario
Let’s assume that in a real eye-tracking study, most participants looked at the person in the photo, but far fewer noticed the “More” button.
“Let’s make the button bigger.”
I first ask why it doesn’t draw attention, and whether that actually affects the visitor’s decision.
It could come down to
You don’t make decisions just by looking at colors on an image.
Interactive · Choose what you want to learn
Where did people look?
Shows aggregated visual attention from recorded eye movements or fixations, depending on the study and visualization.
Useful forInvestigating whether participants noticed a price, a headline, a warning or a call-to-action.
The Decoder’s questionWhat does this data show, and what does it still leave unanswered?
This distinction matters, because many businesses call all of these tools “eye tracking”, while in reality they collect very different data. Illustrative visualizations, not real study data.
How data becomes insight
Participants mostly look at the photo.
The photo may be competing with the call-to-action for attention.
Test a different composition and visual hierarchy.
Judge it by attention, understanding and what users actually do.
A heatmap might show that people notice a photograph but overlook the most important message on a page. Eye tracking can help us investigate visual attention. Click and scroll heatmaps can reveal different interaction patterns.
But the colors alone don’t explain why people behave the way they do. That’s where my work becomes interesting. I connect behavioral observations with context, research and business objectives to explore what might be happening and what we should test next.
Because the goal isn’t to create a beautiful heatmap. It’s to make a better decision with the evidence we have.
My approach
What are people actually doing, saying or avoiding?
Which signals, patterns and possible explanations deserve investigation?
What evidence or experiment can distinguish the explanations?
What should change, and how will we know whether it worked?
Interactive history · Five chapters
The story doesn’t begin with an agency inventing a new term. It begins when researchers started questioning a powerful assumption: that people always make decisions by rationally weighing all the information available.
1870s to 1900s
Researchers such as Charles Darwin and Wilhelm Wundt helped establish scientific approaches to expression, emotion and human psychology. The study of nonverbal behavior would develop through many disciplines.
The question that matteredWhat can we actually observe about human expression?
1950s · Bounded rationality
Simon developed the idea of bounded rationality: people decide with limited time, information and mental resources. They can’t always search for and evaluate the absolute best option.
The question that matteredWhat if people choose what is good enough, not what is best?
1970s · Judgment & decision-making
They studied systematically how people use mental shortcuts and how the way options are presented can influence judgment. In 1979 they published Prospect Theory, which became fundamental to the study of decisions under risk.
The question that matteredWhy does the same choice feel different when it’s framed differently?
Early 2000s · Neuromarketing
The term neuromarketing became widely known in the early 2000s and is often linked to Professor Ale Smidts, who used it in 2002. In a well-known 2004 study, McClure and colleagues used fMRI, among other methods, to look at preferences for Coca-Cola and Pepsi. Knowing the brand affected stated preferences and was associated with different patterns of brain activity.
The question that matteredAre we tasting the product, or the brand?
2008 · Behavioral economics in practice
The book Nudge made widely known the idea that the way a choice is organized can influence behavior, without necessarily removing alternatives. Governments and businesses began testing these ideas in the real world.
The question that matteredIf the design of a choice shapes behavior, who is designing it, and how?
This history is condensed. It doesn’t suggest one straight line from nonverbal communication to neuromarketing. These are different fields with points of contact. Behavioral marketing grew where these ideas met older traditions of consumer psychology, market research and advertising. It has no single birthday and no single inventor.
The real change was this: instead of only asking what consumers say they want, we also look at what they do, the context in which they decide, and the other explanations for their behavior.
The Decoder · Experience 03
Imagine the two drinks have exactly the same contents, but one is presented with a familiar brand. Could the brand change your experience?
In the 2004 study by McClure and colleagues, knowing the brand affected people’s stated preferences and was associated with different patterns of brain activity. It did not prove that we can read consumers’ minds. It showed that the experience of a product doesn’t depend only on its physical features: what we know and associate with a brand can take part in how we judge it.
Thought experiment inspired by consumer neuroscience research, not an actual taste test.
What neuromarketing really adds
Neuromarketing doesn’t replace traditional market research. It adds another perspective.
Interviews and surveys help us understand what people report. Methods such as eye-tracking, EEG and physiological measurements can add information about attention and responses to stimuli.
The real opportunity lies in combining different kinds of evidence to understand consumer experiences more accurately.
And where do I come in?
Since 2012, I’ve worked in marketing and business strategy, helping 1,500 businesses navigate challenges, develop their brands and explore opportunities for growth.
But one question kept coming back: what makes people respond the way they do?
That curiosity led me deeper into behavioral strategy, neuromarketing and nonverbal communication. I became interested not only in what customers choose, but also in how people communicate, interpret information, develop trust and respond to different situations.
Today, these perspectives influence how I approach business problems, develop ideas, teach and create content. My goal is to make behavioral knowledge more accessible and practically useful, particularly for businesses and professionals who have never encountered these disciplines before.
The next business advantage
AI can help businesses create content, analyze data, build websites and automate processes. But more data doesn’t automatically mean better understanding.
That’s where behavioral thinking matters. Not because it replaces technology. Because it helps us ask what technology should actually improve.
Five shifts creating this need
More and more businesses can produce content and automate processes. That raises the importance of understanding the audience, standing out, and evaluating what actually works.
Analytics reveal patterns of behavior. They don’t always reveal the causes. Behavioral research helps form possible explanations and test them.
Businesses need to look at how trust is built through the information, experience, consistency and real proof they offer.
Meetings, leadership, negotiation and customer service all involve verbal and nonverbal elements. Communication training can help people observe and respond more carefully.
Knowing a theory doesn’t mean knowing how it applies to your own customers. That takes testing, measurement and adjustment.
These are strategic trends and reasonable business implications, not a claim that every company will need neuromarketing or specialized equipment.
Business
I’m a Co-Founder of Connected, a Behavioral Marketing & Technology Company.
At Connected, we work with businesses on strategy, branding, websites, e-commerce, digital marketing, customer experience and technology.
We bring different disciplines together because business problems rarely fit neatly into one department.
Our work ranges from improving how a company communicates and reaches its customers to developing digital platforms, systems and new business solutions.
Some projects begin with a website. Others begin with a question about why customers aren’t converting, why a business isn’t growing or what could be done differently.
Success comes when everything is connected.
Discover ConnectedLabs & Ideas
Part of my work involves developing new approaches, tools and projects around recurring business problems.
Some are designed to help businesses understand their customers. Others focus on improving experiences, making better decisions or finding new ways to grow.
Through Connected and its Labs, I explore how behavioral thinking, creativity and technology can work together.
Exploring how behavioral insights can improve customer journeys, communication and business performance.
Building an idea and a business from zero. We build practically everything, from strategy and brand all the way to the physical space, together with our partners.
Our system for personal and business branding.
I take part in creating tools and solutions such as Signalsophy, SmartToki and other projects developed within the Connected ecosystem.
Educator
Teaching is another part of my work.
I share knowledge and practical perspectives on marketing, branding, consumer behavior, communication and business strategy.
What interests me most is helping people connect what they learn with what happens outside the classroom.
I bring real business examples, research and practical problems into the conversation.
Because understanding a concept is useful. Knowing when and how to apply it is even better.
Show & channel
What looks random often deserves a closer look.
Δεν Είναι Τυχαίο is my content and media project about the stories, decisions and patterns behind things we encounter every day.
From brands and businesses to technology, social trends and familiar situations, I explore what happened, what might explain it and what we can learn from it.
Sometimes the answer is in the research. Sometimes it’s in a detail everyone overlooked. And sometimes the most interesting discovery is that the popular explanation doesn’t hold up.
It’s a place for curiosity, questions and conversations that go beyond the obvious.
Follow along
I share observations, research, ideas and questions about the things that influence how we think, decide and behave.
You’ll find
I don’t always have a conclusion. Sometimes I simply come across something interesting enough to investigate and share what I find along the way.
Follow along. You might start noticing things differently.
Consultant · Trainer · Speaker
Consulting
I work with businesses to examine customer behavior, communication, decision-making and experience-related challenges. Through observation, research and structured analysis, I help identify possible causes, evaluate opportunities and determine which changes are worth testing.
Typical areas Customer experience, behavioral friction, brand perception, communication and growth strategy.
Discuss a projectCorporate Training & Workshops
I design educational sessions around behavioral insights, nonverbal communication, marketing and human interaction. Rather than relying only on presentations, I use examples, scenarios and practical exercises to help participants examine assumptions and apply what they learn.
For Leadership teams, marketing and sales professionals, customer-facing teams and organizations.
Plan a trainingSpeaking & Media
I explore the behavioral side of everyday decisions, business, communication and technology through talks, interviews and media appearances. My goal is to make complex ideas accessible, thought-provoking and relevant to the people listening.
For Conferences, business events, educational organizations, podcasts and media productions.
Invite me to speakWhat can change after a session?
Speaking & Training
I speak and teach about human behavior, behavioral strategy, marketing, neuromarketing and nonverbal communication.
Through talks, workshops and training sessions, I explore how people make decisions, how communication shapes perception and how businesses can use behavioral insights in practical ways.
My sessions connect research with real-world examples, questions and situations people recognize from their everyday and professional lives.
I work with businesses, teams, educational organizations and event organizers, adapting the content to the audience and the questions that matter to them.
Selected speaking & training topics
Consumer behavior, perception and decision-making.
Nonverbal communication, facial expressions and context.
How attention, trust and friction affect customer decisions.
How communication, context and social influence shape choices.
Understanding the moments that shape customer behavior.
Trust, technology and the changing relationship between people and AI.
Interested in inviting me to speak or organizing a training session?
The Decoder · A way of looking closer
Each may be a clue. None necessarily tells the whole story.
I bring together behavioral insights, nonverbal communication, marketing experience and business thinking to explore what these moments can tell us, and what they can’t.
I use that perspective in consulting, training, entrepreneurship and the stories I share through The Decoder. Because understanding people starts with looking beyond the obvious.
Why I do what I do
Since 2012, I’ve worked in marketing and business, helping 1,500 businesses navigate challenges and opportunities. Along the way, I became increasingly interested in the human side of every business decision. Today, I connect behavioral strategy, neuromarketing research, nonverbal communication and marketing experience across different parts of my work.
I don’t believe we need more confident guesses about people. We need better ways to understand them.
Work with me
I work across business strategy, behavioral insights, education, content and new ideas.
If you’re exploring a business challenge, looking for a fresh perspective, planning a talk or educational session, or interested in a creative collaboration, I’d be happy to hear from you.
For business projects involving marketing, branding, digital experiences or technology, you can also connect with my team at Connected.
Let’s talk.