Board Members

Board Members

Ellen Siminoff

Ellen Siminoff is Chairman of Efficient Frontier, a pioneer of dynamic Search Engine Marketing (SEM) management services. She worked with the founders to evolve Efficient Frontier from a groundbreaking idea into the leading SEM agency in the world with business in the U.S., Asia, Europe and Latin America.

Prior to Efficient Frontier, Siminoff had six adventurous years as a founding executive at Yahoo!. During her tenure, she led Business Development (VP, Business Development and Planning), Corporate Development (SVP, Corporate Development) and eventually ran the Small Business and Entertainment Business units, representing approximately 25% of Yahoo's revenue (SVP, Entertainment and Small Business). Before Yahoo!, Siminoff worked for the Los Angeles Times as Electronic Classifieds Manager, where she developed strategy and implemented the newspaper's own online businesses as well as a joint venture of Career Path with five newspaper companies.

With her husband, David, Siminoff founded EastNet, a global syndicate barter company distributing television programming to 14 emerging market countries in exchange for advertising time. Siminoff worked as a Human Resources Management Consultant in New York after graduating from Princeton University with a bachelor's degree in Economics.

Among other boards and advisory relationships, Siminoff serves on the board of directors for US Auto Parts, an Internet retailer with more than 550,000 top-rated discount car parts, 4INFO, a utility for mobile phones providing users the means to search, discover, and receive relevant information and content, and Journal Communications, a diversified media and communications company operating businesses in newspaper publishing, radio and television broadcasting, telecommunications and printing services. In 2005 she was one of eight industry professionals named "Masters of Information" by Forbes magazine.

Siminoff graduated Stanford's Graduate School of Business with an MBA in 1993 after having completed a summer in corporate finance at Salomon Brothers. She is a frequent speaker at industry conferences, including ad:tech, Search Engine Strategies and Supernova.

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Dr. Anil Kamath

As the Co-Founder of Efficient Frontier, Anil Kamath is the primary architect of the company's core technology and algorithms. He is responsible for guiding the company's overall technology vision, focusing on creating innovative technologies that leverage Efficient Frontier's optimisation platform.

Prior to co-founding Efficient Frontier, Kamath founded eBoodle, an ecommerce company providing comparison shopping and digital wallet services. eBoodle was acquired by Bizrate in 2000. At Bizrate, he managed the San Francisco Bay Area office and was responsible for Bizrate's contextual advertising product. Prior to founding eBoodle, Kamath was Vice President of International Equity Trading at D.E. Shaw & Co., a hedge fund that specialises in using quantitative models for programme trading. He has authored multiple technical papers in the area of applying algorithms to SEM and also holds several patents.

Kamath has a B.Tech. from IIT and an MS and a PhD in computer science from Stanford University.

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Chris Moore

Chris Moore is a Partner with Redpoint Ventures focusing on consumer Internet, online marketing and business services opportunities. Prior to joining Redpoint, Chris evaluated Internet opportunities for IVP, a firm he joined in 1999. He currently serves on the board of directors of DailyStrength, eBureau, Vuze, and Efficient Frontier and is actively involved with Redpoint's investment in Oodle. Chris also led Redpoint's investment in Right Media (acquired by Yahoo!) and was actively involved with Redpoint's investment in MySpace.

Prior to joining IVP, Chris led business development efforts for wine.com, the online wine retailer, and held various product management positions with Peapod, the pioneering online grocery shopping service provider. Previously, Chris evaluated and executed Internet and media investments for Ameritech. He began his career as a financial analyst in the mergers and acquisitions and leveraged buyout groups of Wasserstein Perella & Co.

Chris holds a B.A. in Mathematics and Economics from Dartmouth College and an M.B.A. from the Stanford Graduate School of Business.

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Venky Harinarayan

Venky Harinarayan is Co-Founder of Kosmix, a leading Web Categorisation Engine. Prior to founding Kosmix in 2004, Harinarayan founded Cambrian Ventures, an early-stage venture capital firm, with Anand Rajaraman in 2000. Cambrian's investments include Efficient Frontier, Transformic (acquired by GOOG), Kaltix (acquired by GOOG), Mobissimo, Kosmix, Aster Data, Yousendit.com, TheFind, and Neoteris (acquired by JNPR). Previously, Harinarayan was a General Manager at Amazon.com, where he worked with Founder and CEO, Jeff Bezos, to create Amazon's search and marketplace business. Harinarayan came to Amazon in 1998 through the $250 Million acquisition of Junglee, a pioneering shopping search engine company that he co-founded.

Harinarayan has a PhD from Stanford University in computer science. He received ACM SIGMOD's "Best Paper" Award in 1996 and ACM SIGMOD's "Test-of-Time" Award in 2006. He also holds multiple patents including one for the invention of the technology underlying Amazon's Mechanical Turk.

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James Beriker

As President and CEO, James Beriker is responsible for leading the overall management of Efficient Frontier's business and its strategy, with a focus on driving growth, product innovation and global expansion. He currently serves on Efficient Frontier's board of directors.

Prior to joining Efficient Frontier as President in 2007, Beriker held VP, SVP and GM positions at ValueClick, Inc. a leading provider of online marketing services through its ValueClick Media, Mediaplex, Commission Junction and PriceRunner brands. Earlier, he was the Founder and CEO of Search123, a paid search engine that launched in October 2000 and was acquired by ValueClick in May 2003. Prior to founding Search123, Beriker practiced corporate law, representing early and mid-stage technology companies and entrepreneurs.

Beriker has a BA in English literature from Trinity College, University of Toronto, and an LL.B. from Dalhousie University School of Law. Beriker is a member of the State Bar of California.

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