Team Downstream our greatest asset 

BOARD

STEVE KNOWLES - CEO & FOUNDER

Steve founded Downstream Marketing in 2005 after five successful years at eBay in Australia. Steve was part of the foundation management team at eBay and held the positions of Category Development Director and Internet Marketing Director.

Prior to eBay Steve was responsible for leading Michael Page sales and marketing recruitment divisions in both Sydney and London. Steve has Bachelor of Economics from the University of Nottingham. Steve is married, lives in Sydney with his wife Kaye and two children.

DAVID KARNSTEDT - DOWNSTREAM BOARD DIRECTOR & CEO -  EFFICIENT FRONTIER

As President and CEO of Efficient Frontier, David Karnstedt leads overall strategy and is responsible for the management and operations for the company. He also serves on Efficient Frontier's Board of Directors. Before joining the company in 2009, he served as Executive-in-Residence for Redpoint Ventures, an investor in the company.

Prior to Redpoint, he served as Senior Vice President of Yahoo!’s North American Sales with responsibility for more than $3 billion in revenue. At Yahoo!, Karnstedt successfully led the integration of the Search and Display sales teams into one central unit and helped establish Yahoo! as a recognized leader in both display and search marketing.

Karnstedt's experience includes several industry firsts. Prior to Yahoo!, David led the Direct Sales team at Overture Services, the company that pioneered the paid search industry and was acquired by Yahoo! in 2003. He also served as Vice President and General Manager of Alta Vista, where he was responsible for the consumer business and helped shape product development and marketing strategies that leveraged the auctions-based search approach. Prior to Alta Vista, David served as Western Advertising Director at Wired Digital where he helped to develop some of the first advertising models on the Web. He is also active in the industry, having served on both the Advertising Council and Interactive Advertising Association's Boards of Directors.

Karnstedt holds a BA in Speech Communication with a Minor in Business from the University of Illinois.