Meet the Team
Jon Jaaback
Jon is a qualified engineer, MBA graduate and long-time Accenture Management Consultant.
He has founded and successfully exited a number of start-ups, one of which was ultimately sold to Naspers.
Jon currently directs YIZOOT operations.
Craig Wessels
Craig is the founder of South Africa’s leading animation studio, Wicked Pixels. He is a multiple Loerie- and 11-time International Design Award winner and has directed countless projects across the world.
Craig is also a seasoned speaker and judge at The Design Indaba and has worked with many global brands. He brings an immense amount of creative and strategic direction to YIZOOT.
John Stokes
John has more than 25 years’ experience in media- and fintech product and platform development for international enterprises. During the last 3 years he has focused on blockchain tech and investments through his family office JSI. He holds several relevant post-graduate degrees and technical certifications.
John has also had successful exits as founder/investor in digital start-ups Syncom, Scoreline, PWM, CentreBlue and Fiduceum.
Mat Sher
Mat is a career advertising creative and brand builder specializing in concept development, brand innovation and communication strategy.
He is multi-award winner and has worked with several multinational brands (Nando’s, British Airways, Nike, De Beers, British American Tobacco, Honda, Audi and BMW.
After working for TBWA Hunt Lascaris and Jupiter Drawing Room, Mat became a founding member of M&C Saatchi South Africa.
Alex Gavrilenko
Alex is the project senior BlockChain developer, with more than 12 years experience, ranging from embedded software development to development for international mobile firms like Samsung.
He was one of the early software developers actively involved in building blockchain services and solutions.
Alex has a Bachelors’ Engineering Degree as well as a degree in computer science.
Panagiotis Iatrou
Panagiotis has more than 15 years of experience at senior level.
He is an early BlockChain adopter, developer, and technology contributor, and is now regarded as one of the world’s leading BlockChain engineers.
Stelios Gkegkas
Stelios has a master's degree in Electrical and Computer and heads up the platform and web development team. He has more than ten years’ experience as a full stack web developer and consultant.
Stelios has worked with numerous startups and corporate clients and has played a lead role in the architecture design and development of numerous systems including web-based CRMs, APIs, web applications and large ecommerce websites, utilizing several different web technologies.
Cristian Mungiu
Cris is a mobile applications developer and the team’s IOS development lead.He has deep experience in developing secure applications for a variety of clients in the media and financial sector.
Cris has a B.Sc. in Computer Software Technology.
Taryn Esterhuizen
Taryn is design lead. She is an exceptional visual communicator with strong UI and UX skills in both the mobile and web space. She has worked on a number of mobile and web projects for international brands like Dermalogica, Sailpoint and Imperial Group.
Taryn is a Graphic Design graduate from the Cape Peninsula University of Technology.
Radu Grigoriu
Radu is a security specialist, and mobile application development lead, with specific expertise in Java/Android. He has more than five years’ experience developing security protocols and controls for a variety of applications across a number of media and financial enterprises.
Radu graduated with a Masters’ degree in Distributed Systems and Web Technologies.
Jhenya Gavrilenko
Jhenya is a senior systems developer focusing on Java and C/C++. As part of the DevicePros team, Jhenya built simulation software for Samsung, and has deep experience in setting up Blockchain-related systems, like mining farms.
Jhenya holds a Bachelors’ degree in Computer Science.
Katerina Papaioannou
Kat is our technical project director, and has managed numerous technical projects for international clients.
She has worked as project manager for the last five years, and has a B.Sc. in engineering and a master's degree from the National Technical University of Athens.