140 Proof Hires Sales Ace as New Director of Business Development

Kim Stiefel Arrives at Social Advertising Company 140 Proof Ready to Build Out App Developer Partnerships and Expand Tumblr Base

San Francisco, CA — The leading social advertising service, 140 Proof is proud to announce that Kim Stiefel has joined the company as Director of Business Development. In her new role, Stiefel will lead 140 Proof’s efforts to expand partnerships with app developers and Tumblr bloggers, further growing the advertising network.


Stiefel is an experienced talent in technology sales, holding senior account positions at a number of prominent companies, including: AppNexus, NetApp and EMC. Prior to 140 Proof, Stiefel became a top 5 sales performer in EMC’s US Commercial Division and closed the largest single transaction ($7.2M) to date in the Division’s history.

“We’re excited to have Kim on the 140 Proof team,” said CEO and co-founder Jon Elvekrog. “Our mission is to make what everyone sees in social more relevant by mapping the blended interest graph. As we grow our advertising network into new areas, Kim’s skills will ensure that we have the best ads and the best network available.”

“Social advertising is about expressing meaningful messages across the social universe, and adding relevance to advertising. This has big implications for developers and bloggers,” said Stiefel. “140 Proof is uniquely positioned to transform digital brand advertising and I’m thrilled to help build out the best social ad offering available.

Stiefel received a Bachelors degree from The Ohio State University, and recently made the move from New York City to San Francisco for this opportunity.

About 140 Proof
140 Proof is the leading social advertising service, providing brand advertisers an effective way to reach millions of consumers primed to discover and share. The company delivers relevant, native, sharable ads across millions of social sites and apps connected via the Blended Interest Graph. 140 Proof’s Blended Interest Graph targeting matches ads to audiences based on public social cues such as who a user follows and keywords that a user sees. The solution is optimized for social and includes native social, IAB standard, and rich-media ad units. 140 Proof is headquartered in San Francisco and has additional field offices in New York, Los Angeles, Chicago, Dallas and Detroit.