overhead view of four WSII staff members in a meeting

Our Team


headshot of Vice Dean Katherine Klein

Katherine Klein, Vice Dean

Katherine is the Edward H. Bowman Professor of Management and the Vice Dean of the Wharton Social Impact Initiative. With a passionate commitment to social impact and deep research expertise, Katherine guides WSII’s vision and strategy, partnerships, research, and faculty engagement. An award-winning organizational psychologist, she teaches course on social impact, leadership, organizational change, and research methods. She is a fellow of the Academy of Management, the Society for Industrial and Organizational Psychology, the American Psychological Association, and the Association for Psychological Science. Katherine’s current research focuses on the effects of leadership succession on organizational change and effectiveness. Katherine received her B.A. in Psychology from Yale University and her Ph.D. in Community Psychology from the University of Texas at Austin. She loves spending time with her family and friends, taking exercise classes, traveling abroad (especially to Rwanda), and eating really dark chocolate.

Sandi M. Hunt, Managing Director

Sandi leads WSII’s team in delivering best-in-class experiential learning opportunities and producing influential research. She has co-authored reports including “Four for Women,” “Can Investing in Public Equities Improve the Lives of Women?,” “Project Sage,” and “Project Sage 2.0.” She is a host of the social impact podcast, “Dollars & Change,” and has served as an investment committee member and judge for many impact groups and competitions. Prior to joining WSII, Sandi worked in consulting at Accenture and served as Vice President of Operations at Back on My Feet. She graduated with honors from Bucknell University where she studied business, and is currently a candidate for a Masters of Organizational Dynamics at the University of Pennsylvania.


Michael Brown headshot, wearing a long sleeved navy zipup

Maoz (Michael) Brown, Head of Research

Michael Brown is the Head of Research at WSII, where he coordinates research on impact investing and social enterprise. His responsibilities include planning studies on the business of social impact, data collection and analysis, synthesizing and disseminating findings, and consulting on impact assessment. Michael was previously a research assistant at Chapin Hall, a policy institute focused on improving the well-being of youth and families. He also consulted for the Community Programs Accelerator at the University of Chicago, where he completed a PhD in Sociology. In his spare time Michael enjoys exploring his new home of Philadelphia (especially its restaurants.)

headshot of jay corbin at Wharton

Jay Corbin, Team Coordinator

As Team Coordinator, Jay helps manage day to day activities at WSII including payroll, event management, and administrative support. He looks forward to helping students find a program within WSII that will hopefully strengthen their desire to pursue a career in social impact. Before coming to WSII, Jay worked at the Penn Children’s Center as the Front Desk Manager, helping to manage a team of teachers and staff while maintaining both their website and databases. Jay is currently pursuing his Associates degree at the Camden County College in Computer Science. In his free time, Jay can be found reading business and technology books, watching Scooby Doo movies, running, swimming, and spending time on the beach.

Nisa Nejadi, Head of Strategic Communications and Award Programs

A wordsmith with a creative eye, Nisa leads Wharton Social Impact’s marketing, communications, and award programs. Nisa leads and executes a wide range of storytelling projects including web, email, social media, print, podcasts, and more. Prior to WSII, Nisa worked in recruitment and admissions marketing at Teach For America where, in addition to setting the strategy for campus marketing collateral, she trained the recruitment team on marketing strategies and brand communications. Nisa has also worked in marketing in the corporate sector, planning global product launches at the Estee Lauder Companies and managing U.S.-based marketing for Lierac, a French brand. After receiving her BA in Economics from New York University, she moved to Paris for a year to teach English to elementary school students. She remains an enthusiastic Francophile, and can be found daydreaming about baguettes, cheese, and her next trip to Paris.

new raj Headshot Jan 2020 1

Rajith Sebastian, Director, Special Projects, Impact Investing

Rajith Sebastian (Raj) is Director, Special Projects, Impact Investing – at the Wharton Social Impact Initiative. He manages the Wharton Impact Venture Associates program, where he oversees a team that aims to create a best-in-class impact investing vehicle. Raj also oversees the Wharton Africa Growth Partners, a student investment group focused on Africa. Prior to joining Wharton Social Impact Initiative, and during his MBA, Raj worked on raising an Africa focused private credit vehicle, in collaboration with a large global bank. Raj has 12 years of investment banking and private equity experience, primarily across Sub Saharan Africa and China, and has worked on over $8bn worth of transactions across these markets. He has worked in senior investment banking roles at Standard Chartered Bank and Nedbank, was a VP at Chinavest (a Shanghai based PE group), and started off his career at the Monitor Group. He has a Bachelor of Business Science degree from the University of Cape Town, an MBA from the Wharton School, and is a CFA Charterholder. He lives in Philly, and loves to spend time with his wife and two young boys.

WSII staff member Yuri Seung standing outside

Yuri Seung, Program Manager

Yuri manages WSII’s experiential learning opportunities for graduate and undergraduate students. Prior to joining WSII, she worked at the Office of University and Community Partnerships at Drexel University and Bloomberg Philanthropies. As an undergraduate, Yuri studied in Tokyo researching issues affecting women and minorities, and studied Chinese at Middlebury Language Schools. She holds a BA in English and Asian Studies from Temple University where she graduated with honors. Yuri is also currently working on a conceptual writing project as a graduate student at the University of Pennsylvania. When not working or studying, she enjoys experimental records, genre films, skincare, graphic novels, and fitness training.


Our team has regular office hours to meet with Penn/Wharton students each week. Email Jay if you’d like to schedule.

Please include the topic for your meeting and which team member you’d like to speak with in your request.

  • Michael Brown: Wednesdays 4-5PM
  • Jay Corbin: Thursdays 9-10AM
  • Sandi Hunt: Fridays 9-10AM
  • Professor Katherine Klein: please contact Professor Klein directly to setup a meeting
  • Nisa Nejadi: Thursdays 2-3PM
  • Rajith Sebastian: Tuesdays 9-10AM
  • Yuri Seung: Mondays 9:30-10:30AM