Our Advisors

At Great Oaks, we have developed relationships with some of the most successful and influential people in technology startups. We are proud to work with brilliant minds who have shaped the companies of today, and grateful that they help us identify and advise the companies of tomorrow.

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Jeff Fluhr

CEO & Founder of StubHub, Flurry

Jeff Fluhr is a Co-founder and CEO of Flurry. Jeff was also a Co-Founder of StubHub.com and was the CEO from inception in 2000 until the sale to eBay in 2007. Jeff is an accomplished entrepreneur and advisor to several Silicon Valley emerging technology companies. He has been honored as one Sports Business Journal’s prestigious “Forty Under 40,” a list recognizing the most influential young executives in the sports industry; and by Entrepreneur Magazine as one of the 24 Best and Brightest young entrepreneurs in America. Jeff earned a dual degree in Engineering and Finance from the University of Pennsylvania and attended Stanford’s Graduate School of Business.


Nat Turner

CEO & Founder of Invite Media, Flatiron Health

Nat is Co-Founder and CEO of Flatiron Health. Nat was also a Co-Founder of Invite Media and served as its CEO from inception in 2007 until its sale to Google in 2010. Invite Media is an advertising technology company based in NYC. Invite built the industry’s first enterprise advertising platform for buying and optimizing online media in real-time. Prior to Invite Media, Nat started numerous internet companies and also worked at Say Media and First Round Capital. An active angel investor, Nat has invested in over 30 technology startups throughout the country. Nat earned a Bachelor of Science degree cum laude in Economics, Entrepreneurship and Marketing from The Wharton School of the University of Pennsylvania.


Zachary Weinberg

Co-Founder of Invite Media, Flatiron Health

Zach Weinberg is the Co-Founder, President and COO of Invite Media, an advertising technology company that operates Bid Manager, the first universal buying platform for display media. Integrated across every ad exchange, the Bid Manager platform is used by more than 100 agencies and advertisers to help them execute and optimize online display campaigns in real-time. Invite Media was acquired by Google in June 2010. He co-founded Invite Media in 2007 during his junior year of college. In 2009, along with his co-founders, Mr. Weinberg was named on Business Week’s list of Top 25 Entrepreneurs Under 25. In 2010, along with his co-founder Nat Turner, he was named a finalist in the Ernst & Young Entrepreneur of the Year Award for the NY Metro area. Zach holds a degree from The Wharton School at the University of Pennsylvania. He attended Wharton from 2004 to 2008, concentrating in management and entrepreneurship.


Sami Inkinen

Co-Founder of Trulia, Virta Health

Sami is CEO & Co-Founder of Virta Health as well as the co-founder of Trulia. He is a physicist by training and started his career at a nuclear power plant in his native Finland. Despite a science background and solid work experience at Microsoft, Nokia and McKinsey & Company, Sami’s true passion is building category-leading technology companies. His first company, Matchem, was a wireless software provider that allowed broadcasters to deliver interactive programming to audiences in Europe and Asia via innovative cell phone technology. Sami is an avid endurance athlete and a world champion triathlete in his age group. He applies the same passion he has for sports to new technology and the creation of user-friendly innovations. Sami holds a Master’s degree in Engineering Physics from Helsinki University of Technology and an M.B.A. from Stanford University

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Ron Gutman

CEO & Founder of HealthTap

Ron Gutman is the Founder & CEO of Health Tap. Ron is also an Avid Public Speaker and Writer, frequently presenting at health and technology conferences (such as TED, SXSW and Health 2.0) and contributing pieces about technology, health and smiling in leading publications (such as Forbes, the Huffington Post, and TEDBooks). Ron serves as the Curator of TEDx Silicon Valley. Prior to founding HealthTap, Ron was the Founder & CEO of a leading online consumer health 2.0 company that developed the world’s largest community of independent health writers and became one of the largest health sites on the Internet, serving more than 100 million users to date (acquired in early 2009). Ron is a graduate of Stanford University, and also holds an MBA from the Stanford Graduate School of Business.


Ken Landis

Founder Landis Capital, LLC & Co-Founder Bobbi Brown Cosmetics

Ken Landis has been an entrepreneur, private investor and executive in the cosmetics, accessory and fashion industries for over twenty years. He currently has investments in and serves on the board of directors of a variety of early stage consumer product and internet companies. Previously, Mr. Landis was an investor and served as COO of Accessory Network Group, a leading designer and manufacturer of a broad range of brand name and licensed accessories across all distribution channels.. Prior to this, Mr. Landis co-founded Bobbi Brown Cosmetics, Inc., a manufacturer and marketer of a full line of luxury cosmetic products which was acquired by The Estée Lauder Companies, Inc.. The Bobbi Brown cosmetics line is now sold by select retailers in more than 50 countries and territories.

Before founding Bobbi Brown Cosmetics, Mr. Landis served as CEO of Benetton Cosmetics Corp., a subsidiary of Benetton Group SpA with operations in 55 countries. He also served as Corporate Treasurer of IMS Health, Inc., a public provider of information solutions to the pharmaceutical and healthcare industries with operations in 100 countries. Mr. Landis began his career as a member of the audit and tax departments of Arthur Andersen & Co.

Mr. Landis holds a B.S. in Accounting from University of Pennsylvania, Wharton School and an MBA in Finance from New York University. He is a Certified Public Accountant.


Randall Burkert

Managing Partner Company at Mercer + Bond Capital

Randall Burkert is the Managing Partner and a Co-Founder of Mercer + Bond Capital, Merchant Bankers, a Quadrant Company transacting in lower middle markets focused on direct investments by family office and significant net worth investors. Prior to M+B, Burkert spent five years in wealth management working with family offices and significant net worth investors as a Managing Director for The Northern Trust Company and Hirtle, Callaghan & Co. Previously, he was at Goldman Sachs for twenty years as a Managing Director in the Securities Division. One of the original members of the Goldman Sachs Trust Company, he then served on the institutional sales force, eventually co-founding and heading the Global Institutional Group. Prior to his tenure at Goldman Sachs, Burkert earned his CPA at PricewaterhouseCoopers.

He was an NBA draft choice and played basketball professionally overseas. Burkert earned his MBA at the Wharton School of the University of Pennsylvania and attended Drexel University as an undergraduate where he currently serves on the Board of Trustees. He is also currently serving on the board of the Abingdon Theatre Company of New York City.

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Pau Sabria

CEO & Founder of Olapic

Pau Sabria is co-founder and CEO of Olapic, a company that helps brands and retailers increase sales by integrating customer photos and videos into the shopping experience. Pau studied Electrical Engineering at Universitat Politècnica de Catalunya in Barcelona and graduated with a thesis in distributed video coding at Purdue University, Indiana. After graduating, Pau worked for 3 years in Management Consulting at The Boston Consulting Group. Pau left BCG to attend business school and co-founded Olapic while he was still a student in business school. Pau holds an MBA from Columbia Business School and lives and works in New York, NY.


Mike Folgner

CEO & Founder of SnappyTV

Mike is the Founder and CEO of SnappyTV, a platform for sharing clips from live television with friends on facebook and twitter. Mike’s career has been at the intersection of technology and media. He was the General Manager of Video at Yahoo! after his first company Jumpcut was acquired by Yahoo! in 2006. Jumpcut, an online video sharing community with the first web-based video editing suite was selected as one of Time Inc.’s 50 coolest websites of 2006 and the team won a Webby for their part in the first user created SuperBowl ad for Doritos in 2007. At Yahoo! Mike ran the video technology and business across Yahoo!’s portals. He also lead an advanced R&D group called the Brickhouse, which created FireEagle, an online location broker and Yahoo! Live, a live video sharing community. Prior to Yahoo!, Mike held various positions at OpenTV, the leading provider of software for interactive television. Mike has an engineering degree from Stanford University and an MBA from Stanford’s Graduate School of Business.

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James Gutierrez

CEO & Co-Founder, Insikt Inc.

James is a leading social entrepreneur and innovator in lending and financial technology. Prior to Insikt, James founded and was CEO of Oportun (formerly Progreso Financiero), the leading provider of responsible, unsecured loans to Hispanics in the US that recently surpassed $1.5 billion in loans and over half a million borrowers since its founding. James has served on Federal Reserve Board’s Consumer Advisory Council and the Centennial Advisory Committee, and is a frequent speaker at industry conferences on financial services innovation. James also co-authored and helped pass two federal and state laws to help increase the availability of safe and affordable small dollar loans. In 2010, BusinessWeek selected James as one of America’s most promising social entrepreneurs and in 2012, Goldman Sachs named James one of America’s top 100 most intriguing entrepreneurs. James is a founding partner of Insikt Ventures, an early stage fund with investments in OnDeck Capital, Listo!, and Blend Labs. James was also an early investor in many leading technology companies including Trulia, OkCupid, StubHub, and Symphony Commerce. James graduated with a BA in Economics from Yale University and a MBA from Stanford’s Graduate School of Business.

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Shane Walker

CEO & Founder AdKnowledge, CEO & Founder Doublie

Shane is a top 10 consumer growth marketer. Having successfully sold 3 companies (2 consumer, 1 ad tech) in the last 6 years, Shane is a growth hacker whose products have reached hundred of millions of users. His last company, SocialWeekend, was acquired by Adknowledge, Inc., the largest independent ad exchange. His most recent company, Doublie, instantly became a consumer hit by launching to #1 on ProductHunt and subsequently raising $1,000,000+ from top angels and VC. He graduated from Stanford with a BA/MA and a concentration in Human Computer Interaction. He actively advises and invests in the next generation of high-growth companies including: Sprig, Sappho, Momentum Machines, Wonder, Plastiq, Funler, Pluto.TV, Open.me and more. He’s also advised massive consumer hits like QuizUp and Lulu on their successful go-to-market and viral strategies.

Senior Advisors


Howard Tullman


Raj Sandhu


Tom Uhlman


Clifford Schorer

Tony wilkins1

Tony Wilkins


Scott Cooper


Scott Orenstein


Sophie Ye Tao


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