Graduate School of Business
Showing 201-210 of 212 Results
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John James Vrionis Jr
Lecturer
BioJohn Vrionis is a lecture faculty member and teaches SM514, Product Market Fit, in the business school.
John is the founder and Managing Partner at Unusual Ventures, an early stage venture capital firm focused on investing in information technology startups. A seasoned venture capitalist with over two decades of experience, John has been an early investor in a number of successful software startups including: AppDynamics, Arctic Wolf Networks, Carta, Harness, Hallow, Liftoff.io, Mulesoft, Pinterest, Nicira, Nimble Storage and Robinhood.
Originally from Georgia, John graduated from Harvard University, where he studied economics and applied mathematics while also playing varsity soccer. His passion for technology led him to pursue a master’s degree in computer science from the University of Chicago. Inspired by visionary entrepreneurs, John moved to Silicon Valley in 2002 and completed his MBA at the Stanford Graduate School of Business. Before co-founding Unusual Ventures, John served as a General Partner at Lightspeed Venture Partners for twelve years. -
Collin Wallace
Lecturer
BioCollin has over 20 years of experience as an engineer, inventor, operator, and investor. Before joining Lobby Capital, he was the Managing Director for Techstars Silicon Valley, where he launched the first two Techstars accelerator programs in the Bay Area in partnership with JP Morgan and eBay.
He started his career as the founder and CEO of FanGo Software Systems (TS S10), a leading company in restaurant mobile ordering. In 2011, FanGo was acquired by GrubHub, and Collin became the Head of Innovation, responsible for OrderHub, new technologies, and a significant portion of Grubhub’s pre-IPO patent portfolio.
In 2019, he co-founded ZeroStorefront (YC W19), a data analytics platform for restaurants, which Thanx acquired in 2022. He is an alumnus of both Techstars and YCombinator, an advisor for the Roelof Botha and Huifen Chan Innovation Program, and a faculty member at the Stanford Graduate School of Business, where he co-teaches the Startup Garage class.
Collin has run two YCombinator Demo Day Funds, investing primarily in marketplaces, developer tools, productivity, the future of work, sustainability and artificial intelligence. In total, he has invested in over 80 early-stage companies, including Payjoy, Landed, Mosaic Voice, Postscript, and Vellum.
Outside of work, he enjoys cycling, tinkering, and farming. Collin holds an engineering degree from the Georgia Institute of Technology and an MBA from the Stanford Graduate School of Business. He currently resides in San Mateo, California with his wife Doris, daughter Zoelle, and puppies Aspen & Penny. -
Yuyan Wang
Assistant Professor of Marketing at the Graduate School of Business
BioYuyan Wang is an assistant professor of marketing and Kevin J. O’Donohue Family Faculty Scholar for 2024–2025 at Stanford Graduate School of Business. With over six years of industry experience at Google DeepMind and Uber as a machine learning researcher, she has designed algorithms for understanding and improving the long-term values of recommender systems, many of which have been deployed globally in multiple products at Google and Uber Eats. Her background is in statistics, with a PhD from the Department of Operations Research & Financial Engineering (ORFE) at Princeton University and a BSc from the Special Class for the Gifted Young at the University of Science of Technology of China. She has received the Steven Shugan Best Junior Faculty Paper Award at the AI in Management Conference (AIM) in 2025, and the Best Paper Award at the Conference on Information Systems and Technology (CIST) in 2022.
At Stanford GSB, Wang created and taught Understanding AI Technologies for Business Problems, the school’s first technical MBA course on AI. -
Kuang Xu
Associate Professor of Operations, Information and Technology at the Graduate School of Business and, by courtesy, of Electrical Engineering
BioKuang Xu is an Associate Professor of Operations, Information and Technology at Stanford Graduate School of Business, and Associate Professor by courtesy with the Electrical Engineering Department, Stanford University. Born in Suzhou, China, he received the B.S. degree in Electrical Engineering (2009) from the University of Illinois at Urbana-Champaign, and the Ph.D. degree in Electrical Engineering and Computer Science (2014) from the Massachusetts Institute of Technology.
His research primarily focuses on understanding fundamental properties and design principles of large-scale stochastic systems using tools from probability theory and optimization, with applications in queueing networks, healthcare, privacy and machine learning. He received First Place in the INFORMS George E. Nicholson Student Paper Competition (2011), the Best Paper Award, as well as the Kenneth C. Sevcik Outstanding Student Paper Award at ACM SIGMETRICS (2013), and the ACM SIGMETRICS Rising Star Research Award (2020). He currently serves as an Associate Editor for Operations Research and Management Science.
