Joseph is a Product Marketing Manager at Twitter. He has been serving in product leadership and investment roles in Silicon Valley for 12 years at companies such as PayPal, AdBrite, The Climate Corporation, and Newton Technology Partners, and TrialPay, where he serves as an advisor to the founders. Joseph was also founder and CEO of SpotWorld, a mobile-first travel company which won several accolades in the Apple App Store and garnered over 100,000 users. Joseph’s work has been featured in the Wall Street Journal, USA Today, CNET, Mashable, and several other leading global publications.

Joseph earned an A.B., magna cum laude, from Harvard College, an M.B.A. from The Wharton School, and a Masters in Computer Science (M.C.I.T.) from the University of Pennsylvania. He serves on the Board of Trustees for the Harvard Club of San Francisco, is the Co-Chair of the San Francisco Harvard Schools Committee, and founded the Wharton Technology and Technology investment networking group.