Our team

Don Phan
CEO, Co-Founder, Instructor, Amateur Psychometrician
Don Phan is the CEO and co-founder of Hillhouse, a psychometrics company based in Ho Chi Minh City, Vietnam. Hillhouse provides test prep tutoring for standardized tests (GMAT/GRE/SAT/ACT/SSAT). We teach students online throughout the globe. Our founders Don and Nick are based in Ho Chi Minh City, Vietnam, where we also teachers students one-on-one and in classrooms. Our research department writes test prep questions that you see in test prep guides and practice exams. Hillhouse has received venture backing from Expara Ventures, Swiss Founders Fund, and 500 Startups.
Don has taught test prep with Manhattan Review, written practice questions for Economist GMAT, and in Vietnam taught with EQuest and CleverAcademy.
Prior to starting Hillhouse, Don founded baby e-commerce sites taembe.com and embe.vn. Don has also worked as a private equity analyst and served as managing director of Zalora and foodpanda, both Rocket Internet ventures in Vietnam.
Don holds a bachelor's degree in political science from Yale University. He earned a master's degree in Southeast Asian Studies from National University of Singapore while on a Rotary Ambassadorial Scholarship. He was also a U.S. Fulbright Scholar to Vietnam.


Nick Santalucia
Co-Founder, Instructor, Head of GMAT/GRE Verbal Content
Nick Santalucia started teaching entrance exams in 2015, a year after he moved to Vietnam. Since then he’s worked with dozens of students to improve their scores on the verbal sections of the SSAT, SAT, ACT, GRE, and GMAT. He’s also written practice material for all of those tests. Nick is originally from Philadelphia, where he studied Classics and graduated with honors from Temple University (class of 2013). When not tutoring he can be found reading, writing, or studying for the GMAT himself (he’s got a way to go on the quant section!).