jesse comartJesse Comart, a Brunswick Group and Glover Park Group alum, has moved to New York adtech company MediaMath as VP and global head of communications.

Eight-year-old MediaMath is a so-called demand side platform that helps marketers buy and monitor online ads.

Comart, who exits an associate post at Brunswick, heads media relations, employee communications, analyst relations and government affairs for the 600-staffer company. A former Hill aide, Comart was a senior associate for Glover Park before moving to Brunswick in 2012.

MediaMath raised $175M in a Series C funding round as of June 2014. Revenue for 2013 reportedly topped $310M.