The Team
Operators who have spent decades inside the systems now being transformed by AI.
Seth Hallen
Founder and Managing Partner
Seth Hallen is a 25-year media and entertainment technology operator who spent his career building and running the infrastructure systems now being transformed by AI. Before founding Hallstone, Seth held leadership roles at Panavision's Light Iron, Sony Pictures, Pixelogic, and Testronic, and served as President of the Hollywood Professional Association for nine years.
LinkedIn →
Leon Silverman
Venture Partner
Leon Silverman brings executive leadership spanning Walt Disney Studios, Netflix, MovieLabs, LaserPacific, and Eastman Kodak. He has spent decades at the center of media technology standards, workflow innovation, and industry infrastructure.
LinkedIn →
Andy Beach
Venture Partner
Andy Beach is the former CTO of Media and Entertainment at Microsoft, where he led cloud production strategy, AI-driven workflows, and major enterprise partnerships across the global media industry.
LinkedIn →
Claire Lee
Venture Partner
Claire Lee is a former Silicon Valley Bank executive who led startup banking and a former Microsoft executive who led seed-stage strategic partnerships. She brings dual fluency in venture-stage finance and technology ecosystem development.
LinkedIn →
Dave Kochbeck
Venture Partner
Dave Kochbeck is the former founding CTO of Live Nation and former Chief Scientist at Silicon Valley Bank. His background spans media-platform architecture, venture banking insight, and emerging technology strategy.
LinkedIn →
Derek Mether
Analyst
Derek Mether supports Hallstone's research, diligence, and portfolio operations.
LinkedIn →The LP Network
Behind the team is an LP network of approximately 70 senior operators and domain leaders across studios, streamers, agencies, and major technology platforms. Their experience is part of how we diligence deals and support founders post-investment.
Built Through VC Lab
Cohort 16 Alumni · Recognition Award
Hallstone Ventures was built through VC Lab, the world's leading venture capital accelerator powered by Decile Group. Seth Hallen completed Cohort 16 and was recognized as a top performer among a cohort selected from thousands of global applicants.
VC Lab has launched more than 800 venture capital funds across 100+ countries, guided by the belief that venture capital, practiced with integrity and domain expertise, can be a force for good.
Mensarius Oath
Hallstone Ventures is a proud signatory of the Mensarius Oath, the ethical code of conduct for venture capital professionals developed by VC Lab and Decile Group. We hold ourselves to these principles in every interaction with founders, limited partners, and the broader community.
I vow to invest with integrity, ensuring my actions benefit humanity and consciously avoid harm to any parties.
I commit to maintaining the highest professional standards, setting an exemplary ethical benchmark in finance.
I endeavor to be fair in my dealings, standing against abuse of power, unfair advantage, seduction, corruption, or mistreatment.
I pledge to promote inclusivity and equitable treatment in all financial endeavors, consciously working to reduce inequality.
I promise to treat individuals and opportunities with the respect and attention deserved in business interactions.
I affirm to be transparent and honest in dealings with investors, founders, and colleagues.
I swear to safeguard private, confidential, or personal information, keeping it safe from public or other unwanted disclosure.
I am resolved to embrace feedback from clients and peers, committing to ongoing personal and professional growth.