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CrowdFlower Team

Our team is the best of the best – with expertise in search relevance, content moderation, business data verification/correction, and more.

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Meet the foremost experts in data enrichment

Vikram Kumar

Lukas Biewald


Lukas co-founded CrowdFlower. He has worked as a Senior Scientist and Manager within the Ranking and Management Team at Powerset, Inc., a natural language search technology company later acquired by Microsoft, and also led the Search Relevance Team for Yahoo! Japan. He graduated from Stanford University with a BS in Mathematics and an MS in Computer Science. Lukas is also an expert-level Go player.

Chris Van Pelt

Chris Van Pelt


Chris co-founded CrowdFlower. He was previously a technical product manager at Powerset, Inc., a natural language search technology company later acquired by Microsoft. Chris has worked as a studio artist, computer scientist, and web engineer, and pours his diverse background into his role as Chief Technology Officer. He combines deep design insight with crisp, minimalist coding abilities that enables him to produce anything — soup-to-nuts applications — sometimes within minutes. Chris studied both art and computer science at Hope College.

Robin Bordoli


Robin is currently Chief Operating Officer at CrowdFlower where he leads the company's go-to-market functions.  Robin has spent the past two decades helping high growth companies launch and scale platforms and products into rapidly transforming markets.  Prior to CrowdFlower, Robin was the Vice President & General Manager, Strategic Consumer Industries at Marketo where he launched and led the business unit selling to consumer digital marketing teams.  Robin has also held leadership roles at Jive Software, Worksimple, Yahoo & Micromuse.  Before venturing into the technology startup world Robin was a management consultant at McKinsey & Company in London advising media, retail and telecoms clients on their market strategy.  Robin holds a Master’s degree in Engineering from Cambridge University and a Master’s degree in Business Administration from Stanford University.  Outside of work Robin spends his time trying to keep up with his two young children and enjoying all that the Bay Area has to offer.

Vikram Kumar

Vikram Kumar


Vikram leads Finance, Business Operations, and Administration at CrowdFlower. Prior to joining, he led FP&A at several startups including oDesk (now Elance-oDesk), (now part of AOL), and Chegg (now public). Before venturing into startups, Vikram was a management consultant at McKinsey & Company, where he worked with a number of Fortune 500 technology companies. Vikram graduated from UC Berkeley with degrees in Computer Science and Business Administration. Outside of work, he’s an avid tennis player (rated 5.0 by USTA). 

Renette Youssef

Renette Youssef


Renette joined CrowdFlower with more than 16 years of global (Asia Pacific, Europe and the U.S.) experience in the software/high-tech industry specializing in helping startups grow and build marketing organizations from the ground up. She is passionate about highly targeted lead generation, working with sales teams to deliver revenue, disrupt markets and build brand awareness via messaging, positioning, PR, social media and tactical marketing campaigns. Renette is a self-proclaimed marketing geek, foodie, coffee snob, lover of fashion, and fitness fanatic. 

Jeff Auston

Jeff Auston


Jeff is a startup veteran and has more than 20 years of technology and engineering delivery experience. Before to joining CrowdFlower, Jeff was CTO of a mobile and cloud sales platform, and prior to that he led engineering teams at Zinio, ModCloth and Copart. Jeff has a BS in Aeronautical Engineering from the University of California, Davis, and an MS in Mechanical Engineering from Pennsylvania State University. Jeff is what you would call a “VitaMix enthusiast” – no doubt those delicious green drinks help him keep up with his five sons and daughters. He's planning an epic journey to the top of Mt. Kilimanjaro before 2016.


Jack Shay


Jack Shay is a product veteran. Prior to joining CrowdFlower, Jack spent more than five years managing consumer-driven products at OpenTable where he oversaw a host of efforts including data analytics, mobile development, and user-generated content as well as integration of e-commerce, subscription, and partnership products. Jack was previously a strategy consultant for Booz Allen Hamilton where he specialized in market entry and organizational design. He received his MBA from Columbia University and a Bachelors in Science from Georgetown University. Jack enjoys hunting for obscure wines and tending to a sustainably-grown reef aquarium.

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