Mark Grether, CEO of Seismic, discusses the company's growth and approach in programmatic advertising. The CEO of Criteo highlights its integrated platform and services. Seismic focuses on transparency and buying-side advertising and recently acquired RocketFuel's DSP business. A strategic partnership between Seismic and Rocket is beneficial as it provides time for growth and scale. Blockchain in programmatic advertising poses challenges but has the potential for revolutionizing the industry. An interview with Mark, a successful entrepreneur, emphasizes focusing on passion and perseverance.