Executives and Founders

Tech Team

Business Development




Michael Osterrieder
Michael Osterrieder
CEO and Founder

Michael Osterrieder is a creative professional and entrepreneur with nearly two decades of IP production experience under his belt. Combining vast experience in 3D graphics, photography and videography, Michael has sold over 500,000 media licenses worldwide. Michael initially founded vAIsual together with Nicolas Menijes and was instrumental in developing its base technology for synthetic media.

Mark Milstein
Mark Milstein - Rainmaker at
Rainmaker – Co-Founder

Mark Milstein brings unique insights into global content operations and the licensed stock media landscape that few can match. War photographer, founder of Eastern Europe’s first internet-based photo agency and founder of Microstocksolutions, a global services company supporting the visual media industry, Mark now directs both vAIsual’s strategic partnership and fundraising efforts along with its daily operations.

Nicolas Menijes
Nicolas Meijes - vaisual founder

Head of Organic Content – Founder

Nicolas Menijes is a recognized superstar within the licensed stock media universe. Nicolas is the powerhouse behind vAIsual’s real life dataset production, and oversees the production and acquisition of all organic content for His deep understanding of high-volume production workflows and his attention to deep detail is what fuels vAIsual’s success.

Istvan Zsolt Novak
IStvan Zolt Novak - Numbers guy at
CFO – Co-Founder

Istvan Novak is vAIsual’s head of finance and is an accomplished taskmaster, bringing more than 33 years of success in sales, marketing and strategic management to the table. Istvan’s respected business acumen was honed while CEO of large corporations such as Kraft Foods Hungary, RWE Hungary, and Arjo Wiggins Hungary. He keeps the lights on and the machines running at vAIsual. 

Keren Flavell
Keren Flavell - COO at vaisual

Keren is an award-winning web producer, author, speaker and strategist. She is internationally recognized as a global thought leader and digital innovator with more than 30 years of experience in the tech industry focusing on community, content and connection via advanced digital platforms.

Keren has spoken about digital content innovation at SXSW, Screen Producers Association, AIMIA Conference, IAP2 Conference, Adelaide Futureproof and was the former radio show host of Byte Into It.

Jakub Pawlak
Jakub Pawlak - Developer at

Jakub recently updated his permanent residence to a Github repository. He oversees all ML developments of vAIsual and is an expert in generative AI. From data preparation to hands on coding bsed on research papers, Jakub makes things happen.

Tatiana Snauwaert
Tatiana Snauwaert -

Lead Developer

Passionate about learning and results-oriented, Tatiana Snauwaert brings
her unique experience with machine learning algorithms having learned
from the top-notch professionals in the industry. Tatiana is excited to
engineer and implement the state-of-the-art computer vision models for

Dorette Botha
Dorette Botha - Sales team at
Business Development and Sales


Driven and passionate business development and sales professional working with global startups and SMEs across tech and the service sectors expand their regional and global footprints. Dorette now heads up business development for vAIsual and the Dataset Shop.

Lee Torrens
Lee Torrens - inner voice of vaisual
Our Inner Voice

Lee Torrens has from its earliest days been the voice and inner ear of the microstock world. First as the founder of MicrostockDiaries, the much-regarded industry blog, and later as the first director of content at Canva, the $40 billion dollar graphic design platform, Lee now guides vAIsual as its advisor on all things related to corporate structure and legal affairs.

Brad Greenwald
Brad Greenwald Hiltop venture partners. Investor and advisor at vaisual
Advisor and Investor

Brad received a B.A. in Economics from Princeton University and an MBA from Harvard Business School. He resides in Denver, CO with his wife and children. He is a 1998 Henry Crown Fellow of The Aspen Institute and a member of the Aspen Global Leadership Network.

Irina Silva
Irina Silva - vaisual administration
Administrative Assistant


Experienced in operations and organization for growing businesses, Irina takes a thorough approach to ensuring our systems are functioning efficiently and the executive team are focusing on what matters.

Sebastian Navas
Sebastian - vaisual - office manager
Office Manager

Sebastian oversees the planning and execution of media content creation, planning general objectives of the media material and overseeing the production schedule.

Sol Rosen
vaisual production team - sol
 Production Manager


Sol is in charge of the photo shooting and video recording.

Maia Constantinovsky
vaisual production team - maia
Production Assistant


As part of the production team, Maia is in charge of general administration and office tasks that may be requested by team members for the benefit of the project.