our team

Signol was founded with the idea that small changes can add up to huge differences

Executive Team

Chief executive officer and Co-Founder

An environmental innovator and behavioral expert, our CEO Dan has a track record of successfully delivering ideas and innovations through products and services over the last 10 years. His work devising new methods of insulating buildings in 2008, for example, led to the beginning of a £30m industry in the UK.

Working closely with academic colleagues, Dan has been at the forefront of applied behavioural science in the UK, delivering some of the UK’s first field experiments and creating the company The Behaviouralist.


Rob is an Assistant Professor of Economics at Boston University. His research tests economic theory using field experiments and identifies practical solutions to business and government challenges. He was a collaborator on MINDSPACE, the first influential report about the applications of behavioral economics. Rob’s recent research has been featured in the Harvard Business Review, The Wall Street Journal, and the Financial Times, and was cited in the award of the Nobel Prize in Economics to Richard Thaler.

Product Team

Natalie LeRoy

Product Lead

Natalie is a UX UI design consultant with experience bringing concepts, products and research to life in a variety of mediums and roles. She is supporting Signol’s UX team, designing the UI and product as well as providing art direction. In her community, Natalie runs a digital civic activist group and guides participants through openIDEO design challenges as a mentor.

Jay Ramsay

Product Manager

Jay is a product manager who has spent his professional life working across a wide range of industries using data to build products, solve problems and help businesses grow and succeed. From projects as wide-ranging as calculating ROI on marketing campaigns in Beirut and using Big Data to develop alternative credit risk modelling; helping people out of the credit trap, Jay is at the forefront of data-driven product development

Dr Divya Sukumar


Divya holds a PhD in Psychology and Law, the first of its kind, from the University of Warwick. At Warwick, Divya won the 2017 Three Minute Thesis Challenge and Psychology Publication Prize. At Signol, Divya leads behavioral research and audits for the Signol service, client relationship management, and grant funded projects.

Geronimo Perez Salas


Geronimo is a talented professional with experience designing, building and delivering innovative, high-quality and scalable solutions for companies and consumers of different industries.

He provides solid architectural vision and leadership to align business needs with cloud strategies and technical solutions that successfully meet the goals.

Julian Vidal Catuc


Julian is a distinguished graduate from the Universidad Nacional Arturo Jauretche where he now works as a professor.
He is an engineer with experience designing, architecting and building innovative software solutions.
His solutions were a success in fields like anti-money laundering and real estate among others.

Dr Eddy Tam

Senior Data Scientist

Eddy is a Research Fellow at the Oxford University Centre for Business Taxation. He completed his PhD in Economics at the London School of Economics. His research interests include public economics and development economics.

Business Team

Vanessa Munteanu

Head of Office Operations

Vanessa is a creative yet analytical thinker with a Marketing and PR degree from SNSPA Bucharest.

She previously co-led all business development and marketing functions at London based startup, Lobster, that specializes in creative AI.

Chris Mason

Business Developer

Chris focuses on helping customers in new markets realise the operational efficiency gains that can be achieved via Signol's behavioural change approach.
Before joining Signol, Chris worked as a Project and Programme Manager for a number of organisations across Europe, facilitating cross-cultural collaborations in the fields of digital media, creative industries and environmental governance.
He holds an MSc in Ecological Economics from the University of Edinburgh.

Antonia Lock

Head of Special Projects

Antonia joins Signol as Head of Special Projects from Founders Academy, a 9-month alternative-MBA designed to develop adaptable leaders for the world’s most ambitious scaleups. Born out of Founders Forum, a global community of leading tech entrepreneurs, the programme entails 3 months of active learning followed by a 6-month placement. The project-based curriculum is cross-functional, spanning the fundamental business, technology & human literacies needed to thrive in a world of accelerating change.

Previously, Antonia was Head of Marketing at retail tech scaleup DigitalBridge and before that worked in Marketing at fintech unicorn Funding Circle during their incredibly exciting scaleup period.

Henry Wang

Business Development Associate

Henry helps companies go green without compromising bottom line. Before joining Signol, he was an analyst at a sustainability consultancy, imagineering economic systems that would marry profit with purpose. Henry knows that behavioural change is a gold mine of opportunities, having graduated with a neuroscience degree from Cambridge University. At Signol, Henry shares his passion for and belief in the product with the wider world.

Sam Ashworth-Hayes

Team Economist

Sam Ashworth-Hayes is an economist and sometime journalist specialising in human behaviour and microeconomic theory. He has previously worked for The Behaviouralist, InFacts, and Full Fact. He holds a bachelors degree in economics from the University of York, and an MPhil in the same from the University of Oxford.

Caroline Nuesse

Business and Operations Intern

Caroline is supporting Signol in an intern role, assisting the Business Team. She has previous experience working in HR focussing on learning and development, supporting a HCM software consultancy in connecting neuralgic topics and business processes and most recently working as a student assistant in a robotics project aiming to inspire young women to consider a career in the MINT subjects. Having graduated from the Technical University of Berlin with a degree in Sustainable Management she is keen on being part of green innovations and organizational change.

Toby Lambert

Business Support Intern

Toby is an undergraduate studying Geography at the University of Oxford. He is supporting Signol in an intern role. Previously, he ran his own sustainability company. He has also supported a multinational insurance firm in their internal audit and most recently worked for a charity as a tutor for children who don’t have access to tutoring during the Covid-19 crisis. His most recent research project was on whether the UK economy is able to grow sustainably in its current form.

Maggie Wang

Marketing and Content Intern

Maggie is an undergraduate studying history and economics at the University of Oxford. Her interests range widely across the humanities, social sciences, and hard sciences, but she has a particular passion for behavioural economics and environmental policy. As an intern at Signol, she is focusing primarily on content and marketing. She has previously held leadership positions in student publishing, student government, and the arts at Oxford.