Ari Buchalter has served as Chief Executive Officer at Place Exchange since founding the company in 2018. He is a recognized leader in the areas of digital media, marketing technology, and data science, whose career spans over 20 years building successful media & technology companies.

As CEO of Place Exchange, Ari has led the development of one of the industry’s leading supply-side platforms for Out of Home (OOH) advertising, helping to drive the programmatic transformation of the OOH category. Prior to Place Exchange, Ari served as CEO of Intersection, where he led the growth of one of the largest networks of OOH media in the US, driving the development of innovative content, services, and measurement that have helped reinvent the role of media in the modern city landscape.

Prior to Intersection, Ari was President and COO of MediaMath, where he led the technological and commercial development and scaling of the first demand-side platform in the programmatic advertising space. Previously, Ari was a Senior Partner at Rosetta, then the nation’s largest independent digital marketing agency, overseeing their Digital Media & Technology practice and leading marketing strategy and implementation engagements for Fortune 500 telecom, media, and technology clients. Earlier in his career, Ari was an Associate Principal in McKinsey & Company’s Media & Entertainment practice and a founding member of McKinsey’s Innovation practice.

Ari holds a Bachelor of Science in Physics from Stanford University, a PhD in Astronomy from Columbia University, and was a postdoctoral fellow in Theoretical Astrophysics at Caltech.