It's time to get personal.


New science has shown that people behave, learn, and develop their talents in distinctive ways, yet these individual patterns get lost in massive systems that play to averages. It’s time to unlock all the human potential today’s one-size-fits-all systems overlook.

At Populace, we’ve built our organization around the promise of personal in all aspects of society. To drive demand for this new world, we’re increasing public understanding and participation through national communications campaigns and local experiences. To stimulate supply, we’re supporting changemakers in all fields—from education to the workplace to healthcare—to create solutions, tools, and policies that nurture the potential of every single individual.


Populace Leadership


Todd Rose

Co-FOUNDER & president

Todd is the Co-Founder and President of Populace. He is also a professor at the Harvard Graduate School of Education where he directs the Mind, Brain, and Education program and leads the Laboratory for the Science of Individuality. Todd is the author of Dark Horse and The End of Average.


Parisa Rouhani 

Co-Founder & Vice President

Parisa is the Co-Founder and Vice President of Populace where she leads the Personalization Lab. She is also a Research Fellow with the Laboratory for the Science of the Individual at the Harvard Graduate School of Education, where her work focuses on issues at the intersection of individuality, design, and technology. Parisa received her Master’s degree from the Harvard Graduate School of Education in Technology, Innovation, and Education in 2009.


Brian Daly

Senior Communications Strategist

Brian is the Senior Communications Strategist and Creative Director at Populace. Previously, he was the founding partner of Mob Scene Creative & Productions, an innovative and leading entertainment advertising and production company. Brian has served as Vice-President of Creative Advertising for Columbia/Tri-Star and Senior Vice-President of Creative Advertising for 20th Century Fox. He is a graduate of NYU Tisch School of the Arts and a member of the Academy of Motion Pictures Arts and Sciences.


Tricia Saxler

Head of Education

Tricia is the Head of Education at Populace. She is also a Research Fellow with the Laboratory for the Science of the Individual at the Harvard Graduate School of Education. A Montessori teacher prior to graduate studies, her research focuses on the development of self-regulation in early childhood. Working at the intersection of education and cognitive neuroscience, Tricia conducted her research at the Gabrieli Laboratory of Cognitive Neuroscience at MIT, where she collaborated with colleagues investigating self-regulation in relation to early life stress, experiences and neural development. Tricia earned her Master's degree in Mind, Brain, and Education in 2007, and her Doctorate in Human Development and Education in 2016 from the Harvard Graduate School of Education.


Lorry Henderson

program associate

Lorry is a Program Associate at Populace, where her work focuses on equity, personalization and school design. She formerly served as the founding Director of Student Support Services at a middle school in Atlanta, Georgia, where she dedicated her efforts to enhancing the experiences of low-income students, and supported staff and teachers to differentiate student learning according to individual needs. She received her Master’s degree from the Harvard Graduate School of Education in Specialized Studies.


Lizza Vachon

Program associate

Lizza is a Program Associate at Populace. She recently graduated from the Harvard Graduate School of Education where she completed her master's degree in the Mind, Brain, and Education Program. During her studies, she also served as an advisor for Harvard's Teacher Education Program (TEP). Prior to graduate school, Lizza taught middle school math and science for six years; her teaching experience and graduate work created the foundation for her interest in understanding how personalization can be applied in education.


Our Board


Dewey Rosetti

Dewey is a Founding Director and Chair of Populace.  Previously, Dewey served as a Trustee of the Charles Armstrong School, a board member of Burkes School, and the President of the Little Sisters of the Poor Auxiliary. She retired from Levi Strauss as Merchandise Manager responsible for $125 million in business. Prior to that, she was a Research Analyst at McKinsey & Co. She received her M.B.A. from University of California at Berkeley in 1976, and her B.A. from the University of Florida in 1967. In 2011, Dewey received the Heroes and Hearts Award sponsored by San Francisco General Hospital.


Walter Haas

Walter is a Founding Director of Populace. He is also the founder of Dry Goods Technology. Earlier in his career, Walter was the Head of Marketing for Enjoy Technology, Inc, as well as part of the Global Marketing Group for Levis Strauss & Co. A digital marketer by training, Walter is an accredited producer of Cannes-winning campaigns. He received his B.A. from Stanford in 2007 and his M.B.A. from Harvard University in 2014.

Debbie Newhouse

Debbie is a Director of Populace. In her professional life she is a Learning & Development Manager at Google responsible for programs for Google managers. Earlier in her career, Debbie was a Product Marketing Manager associated with the launches of Gmail and various advertising products. Her team’s innovative approaches were described in the article “Training Secrets from Inside the Googleplex” on Debbie attended Harvard University and holds an MBA from Stanford.

Bill Rosetti

Bill Rosetti is a Director of Populace. He is also the President of J&R Associates, a prominent apartment owner in the Bay Area. Prior to this, he was the founder of TRI Realtors and the Chief Executive Officer of The Prudential California Realty of Northern California.  Bill has been active and influential as a realtor and real estate developer in the San Francisco Bay Area, and he has earned a prominent and respected position as a leader in the San Francisco real estate community. Bill is considered a pioneer in the field of residential condominium development in the Bay Area.