S. Jason Prohaska

S. Jason Prohaska

CEO Founder & Systems Architect

Constitutional AI governance architect with 20+ years leading creative technology organizations at global scale. Builder of ETHRAEON — sovereign AI infrastructure governed by immutable constitutional principles.

Based in Milan/Bologna, Italy. Native English & Italian. Previously: Managing Director at Media.Monks (7yr 9mo across NYC, Amsterdam, Milan, Berlin), [AC-1 VERIFY: role] at HUSH, Director at Method, and founding leadership at Big Spaceship, Your Majesty Co., and others.

ETHRAEON Founding Principal, Jun 2024–Present
ingombrante® Founder & Advisory, Jun 2024–Present
50
LinkedIn Recommendations
20+
Years Leadership
500+
Connections
15
Patents Filed
73
Patent Portfolio

What People Say

50 recommendations received on LinkedIn, spanning 2006–2025

“Hiring Jason to run our NY office was one of the best decisions I made in the now 22 years of media.monks.”
Wesley ter Haar Co-Founder, Media.Monks & Chief AI Officer Managed Jason directly · 2023
“Jason works harder than anyone I know. He's an amazing producer, and amazing manager and an amazing friend. Nobody does it better.”
Michael Lebowitz Founder & Executive Chairman, Big Spaceship Managed Jason directly · 2007
“Absolutely the best managing director I have ever met.”
Lewis Smithingham NVIDIA Reported directly to Jason · 2022
“That's the magic that is Jason Prohaska.”
Dan Mall Design Agency Consultant Senior colleague at Big Spaceship · 2012
“Equal parts relationship-builder, creative strategist, and executor par-excellence.”
Gwynne Gauntlett UNDP Client · 2007
“One of the great mentors for my career.”
Jamie Kosoy Engineering Manager, Stripe Senior colleague · 2012
“One of the most fascinating individuals I have met... one of the most formative experiences of my professional life.”
Michiel Brinkers Tech Leader, 20+ Years Experience Reported directly to Jason · 2025
“One of the best Managing Directors and humans I have encountered in my career.”
Falk Eumann EVP Creative, WONGDOODY Senior colleague · 2023
“A true leader... always thinks two steps ahead of everyone.”
Marta Epelde Monks Germany Senior colleague · 2023
“Basically built Big Spaceship into what it is today.”
Rebecca Mitchell Co-head Corporate Communications, Point72 Senior colleague · 2012
“Jason is the best boss I've ever had (and many, if not all, the Monks in the NY office would say the same thing).”
Michael Leen Growth & Revenue Executive Reported directly to Jason · 2021
“The most caring, professional, supportive and driven person I have ever had the pleasure of working for.”
Liz Pavitt Head of Growth Reported directly to Jason · 2021
“JP is a master... leadership skills out of scale.”
Francesco Bragonzi GM, Monks Reported directly to Jason · 2023
“Hands down the best Managing Director I've ever worked for.”
Marie-Celine Merret Wirstrom Co-Founder MC&V / AARON Awards Reported directly to Jason · 2018
“I'd jump in front of a knife-wielding maniac for Jason Prohaska.”
Stephen Hodde Audio, Valve Reported directly to Jason · 2009
“Seen and done it all. And systemised it. Scaled it. Built it. Fixed it.”
Ben Tregoing Skills & Progression Jason was client · 2015
“Incredibly strong, compassionate, intelligent leader.”
Gradwell Sears CCO, Superside Reported directly to Jason · 2020
“Several multimillion dollar wins attributable to his guidance.”
Storm Keys Growth Leader / NED / Webby Awards Judge Senior colleague · 2019
“He has a photographic memory. No, really.”
Yaniv Kanfi Strategy/Product/Technology Consultant Same team · 2013
“A leader and a collaborator; a philosopher and a poet.”
Will Simon Design Health & Wellness Reported directly to Jason · 2013
“One of the most inspiring and tutoring people.”
Jens Karlsson Creative Leader, 25+ Years Same team · 2007
“Jason holds a vast depth for understanding cultural values and behavior... he also has a big heart!”
James Widegren Creative Director / Design Director Reported directly to Jason · 2007
“Une des personnes les plus innovatrices... un melange unique de la creativite profonde et de l'intelligence extreme de business.”
Jason Alan Snyder Futurologist / Inventor / Forbes Contributor Different companies · 2006

Career

ETHRAEON — Founding Principal

Jun 2024 – Present
Constitutional AI infrastructure. Sovereign governance systems. Patent portfolio: 16 filed, 57 specifications complete across 9 families.

ingombrante® — Founder

Jun 2024 – Present
Advisory practice. Strategic consulting for creative technology and organizational transformation.

Media.Monks (S4 Capital) — Managing Director

Jul 2016 – Mar 2024 (7 yr 9 mo)
NYC, Amsterdam, Milan, Berlin. Led global creative technology operations. Scaled from boutique to enterprise. Post-merger integrations. 100+ direct reports across disciplines.

HUSH — [AC-1 VERIFY: title at HUSH]

2015 – 2016
Immersive experience studio. Creative technology production leadership.

Method — Director, Executive Producer

2015
Digital design and brand experience consultancy.

Your Majesty Co. — Managing Director NYC

2013 – 2015
Award-winning creative technology studio. Led US operations.

Big Spaceship — Head of Production / Operations

2005 – 2013
8 years. Built the operational foundation. Digital agency pioneer.

Education

Università di Bologna — MFA Philosophy & Letters

1992 – 1994

Connecticut College

1990 – 1994