Mark Douglas

Operator

Mark Douglas is President & CEO of MNTN, bringing to the role decades of experience building and scaling advertising technology businesses. He previously co-founded SteelHouse in 2010 and served as its CEO for over a decade, where he championed performance-driven, transparent programmatic advertising and challenged prevailing ad tech pricing norms. Douglas is recognized as a seasoned operator and advocate for advertiser-friendly innovation in digital media.

Last updated Jun 11, 2026 by ATDb automated enrichment · Connections updated Jun 15, 2026

Role

President & CEO

Company

MNTN

Based

Los Angeles, California, United States

Connections

Years in industry: 20 years

Bio

Career

Co-Founder & CEO
SteelHouse · 2010-2021

Expertise & education

Expertise

Connected TV (CTV) AdvertisingProgrammatic AdvertisingPerformance AdvertisingAd Tech Platform DevelopmentRetargetingTransparent Pricing ModelsDigital MediaSelf-Serve Advertising Platforms

Speaking topics

Performance-driven CTV advertisingTransparency and pricing reform in programmatic advertisingAI-powered creative production for television commercialsScaling AdTech businessesAdvertiser-centric innovation in digital media

Recognition

Notable achievements

Co-founded SteelHouse in 2010 and scaled it into a prominent programmatic advertising platform over more than a decade as CEO
Led MNTN as President & CEO, positioning the company as a leading performance CTV advertising platform
Championed transparent, advertiser-friendly pricing models that challenged prevailing ad tech norms
Appeared on CNBC in February 2026 discussing how AI is enabling faster and lower-cost commercial creation for MNTN customers

Connection details