Openings and New Hires at Thumbtack, Polar, and Yodle

Thumbtack has hired Servas Tholen as CFO and Katie Biber as general counsel. Before joining Thumbtack, Tholen was CFO at Elance/oDesk (now Upwork) and Biber was senior counsel at Airbnb. Thumbtack recently joined the unicorn club, raising $250 million at a $1.25 billion valuation as the on-demand economy continues to find favor with venture capitalists.

Polar Hires Seasoned Entrepreneur to Lead International Expansion
Polar has hired former Google leader Tom Jenen as president of international. He launched and sold Admeld to Google in 2011 and stayed on at Google for several years leading marketplace development for Northern Europe. Capitalizing on this experience, Jenen will lead global expansion for the Toronto-based digital advertising platform. Polar’s international expansion, presumably with an eye toward Europe, comes at a time when European ad-tech players are looking to expand to the North American market.