• by Tyler Loechner  @mp_tyler, February 17, 2015

Improve Digital, a European supply-side platform (SSP), on Tuesday announced the appointment of Przemek Kalwa as head of demand and partnerships, UK.

Kalwa, a former media partnerships head at agency trading desk Amnet, will focus on partnering with media agencies and trading desks, per a release. He will work from the company’s London office.