Piotr Szulczewski
Mr. Sculczewski is our founder and served as Chief Executive Officer from our inception in July 2010 through February 2022. Mr. Szulczewski has also served as a director since the Company’s inception and as Chair from the Company’s inception until April 2021. Prior to founding the Company, Mr. Szulczewski served in various positions at Google, Inc., a technology company, including as a technical lead and senior software engineer, from April 2005 until January 2009. Mr. Szulczewski holds a B.S. in mathematics and computer science from University of Waterloo.
Vijay Talwar
Chief Executive Officer

Mr. Talwar has served as our Chief Executive Officer and as a member of the Board since February 2022. He previously served in various capacities at Foot Locker starting in 2016, including as Chief Executive Officer of Foot Locker’s Europe, Middle East & Africa (EMEA) business from January 2019 to January 2022, where he oversaw all operational functions including finance, marketing, merchandising, and the in-store customer experience, as President – Digital (Global) from March 2018 to January 2019 and President – Digital, FootLocker.com from September 2016 to March 2018. During his tenure at Foot Locker, he transformed the retailer’s direct-to-consumer platform as Global President of Digital. Before Foot Locker, Mr. Talwar served as CEO, CFO and President of International, for online jewelry retailer Blue Nile Inc., where he was credited with the startup and expansion of its international business. Earlier in his career, Mr. Talwar held various executive roles within Nike, Inc., Sears, Bain & Company and Deloitte & Touche LLP. He sits on the Board of Directors of Dunelm Group Plc, a British home furnishings retailer. Mr. Talwar holds an M.B.A. from the University of Chicago Booth School of Business, a Masters in Accounting from the University of Miami, and a B.A. in Accounting from the University of Findlay.

Tanzeen Syed
Mr. Syed was appointed Chairperson in February 2022 and has served on our Board of Directors since October 2016. Mr. Syed is a Managing Director at General Atlantic and serves as a Director of the company, focusing on investments in General Atlantic’s Technology sector. He rejoined General Atlantic in June 2018 after working there from 2006 to September 2013. Prior to rejoining General Atlantic, Mr. Syed was a Director at Temasek, an investment company, from July 2015 until June 2018, where he led U.S. technology growth investments, and prior to that, Mr. Syed was a Vice President at Great Hill Partners from October 2013 to June 2015, where he focused on Internet and software growth investing. Mr. Syed currently serves as a director on the board of Riskified Ltd., a public portfolio company, and holds a board observer seat at Duolingo. Mr. Syed also serves as a director on the board of Kiwi.com, s.r.o., an online travel booking platform and private portfolio company of General Atlantic. Mr. Syed may be deemed to have a significant influence on the management or operations of these entities. Mr. Syed holds a B.A. in Economics and Political Science from Macalester College.
Julie Bradley
Ms. Bradley has served on our Board of Directors since October 2020. Ms. Bradley was previously the Chief Financial Officer of Tripadvisor, Inc., a publicly traded online travel planning site, from October 2011 to November 2015. Prior to joining Tripadvisor, Ms. Bradley also served as the Chief Financial Officer of Art Technology Group, Inc., a publicly traded ecommerce software company, as Vice President of Finance for Akamai Technologies, Inc., a publicly traded delivery network, cybersecurity, and cloud service company, from 2000 to 2005, and as an accountant at Deloitte & Touche LLP. Ms. Bradley currently serves on the boards of GoodRx and First Watch Restaurant Group as a member of the audit committee, and Highland Transcend Partners serving as a member of the compensation committee. Ms. Bradley previously served on the boards of other publicly traded companies, including Wayfair Inc., from September 2012 to May 2021, where she was the Chair of the audit committee and a member of the governance committee, Blue Apron, Inc. from September 2015 to October 2020, Constant Contact, Inc. from June 2015 to February 2016, and ExactTarget, Inc. from September 2012 to July 2013. Ms. Bradley holds a B.A. from Wheaton College.
Hans Tung
Mr. Tung has served on our Board of Directors since January 2014. Mr. Tung is a Managing Partner at GGV Capital, a venture capital firm, where he has worked since October 2013, in Menlo Park, CA. Prior to joining GGV, Mr. Tung was a managing partner at Qiming Venture Partners, a venture capital firm, in Shanghai, China. Mr. Tung began his VC career with Bessemer Venture Partners, a venture capital firm, in Menlo Park, CA, and was a former entrepreneur himself and a former technology banker at Merrill Lynch in New York and Hong Kong. Mr. Tung currently also serves as an independent director of Poshmark, Inc. (a company listed on the NASDAQ (ticker: POSH)), and has served on the board of directors of private companies including Shelf Engine in Seattle, Bowery Farming in New York City, Stockx in Detroit, Yamibuy in Los Angeles, and previously Musical.ly (which is now Tiktok) and Xiaomi. He holds a B.S. in Management Science and Engineering from Stanford University.
Stephanie Tilenius
Ms. Tilenius has served on our Board of Directors since August 2020. She is currently the CEO of Vida Health, Inc., a mobile continuous healthcare platform, which she founded in January 2014. Ms. Tilenius was an Executive in Residence at Kleiner Perkins Caufield & Byers, a venture capital firm, from June 2012 until October 2014, primarily focusing on companies within its Digital Growth Fund. From February 2010 until June 2012, Ms. Tilenius was Vice President of Global Commerce and Payments at Google, Inc., a technology company, where she oversaw digital commerce, product search and payments. Prior to joining Google, she served in various positions at eBay Inc. from March 2001 until October 2009, ultimately as Senior Vice President of eBay.com and Global Products. Ms. Tilenius was also a co-founder of PlanetRx.com, an online healthcare provider. She currently serves on the board of directors of SeaGate Technology PLC and serves as a member of the audit committee. Within the past five years, Ms. Tilenius has served on the boards of directors of Tradesy, Tapestry, Inc., and Redbubble Limited. Ms. Tilenius holds a B.A. and an M.A from Brandeis University and an M.B.A. from the Harvard Business School.