TEAK Board of Directors
TEAK is able to fulfill its mission as a result of the spirited commitment of the Board of Directors who give generously of their time, expertise, and resources to support our students.
- Marc Becker (Chair)Senior Partner & Co-Head Apollo Impact Mission
Senior Partner Marc Becker is a 25-year veteran of Apollo and Co-lead of Apollo Impact, a new platform dedicated to impact investing. Mr. Becker has previously overseen the Firm’s private equity efforts in the business services, transportation & logistics, financial services, payments, real estate services, homebuilders, and building products industry verticals. He also sits on the investment committee for Apollo’s private equity division and chairs the investment committee
for Apollo’s US and Asia real estate private equity division. He is a member of the firm's Citizenship steering committee. Mr. Becker has served on several boards of directors of companies backed by Apollo-managed funds, including his current position as Chair of the board of ADT Corporation. He has previously served on the board of directors of Sun Country
Airlines, Realogy Corporation, Affinion Group Holdings, Inc., CEVA Holdings, LLC, Evertec Group, LLC, National Financial Partners, Novitex Holdings, Inc., Quality Distribution, Inc., Pacer International, Apollo Residential Mortgage, Inc., and SourceHOV Holdings Inc. Mr. Becker holds leadership positions at nonprofit organizations and Chairs the boards of The TEAK Fellowship and Park Avenue Synagogue. He is a member of the University of Pennsylvania’s undergraduate financial aid leadership council. Before joining Apollo, Mr. Becker worked in the investment banking division of Smith Barney Inc. He is a graduate of the University of Pennsylvania’s Wharton School of Business, where he is a frequent guest lecturer.
- Matthew R. Stopnik (Vice-Chair)Co-Head, U.S. Investment Banking
Matthew R. Stopnik is the Co-Head of U.S. Global Investment Banking. He joined RBC Capital Markets in January 2015 as the Co-Head of Financial Sponsors. Prior to joining RBC, Mr. Stopnik spent 20 years at UBS Investment Bank, his most recent role serving as its U.S. Head of Financial Sponsors. At RBC, Mr. Stopnik is responsible for U.S. Investment Banking, along with Jim Wolfe. He is also responsible for managing RBC’s relationships with some of the largest and most active private equity firms in the world. Mr. Stopnik serves on the U.S. Capital Operating Committee, is a Co-Chair for the RBC Foundation, is a Vice-Chair of the Board of Trustees of the TEAK Fellowship, is a member of the Board of Youth, INC., and is a David Rockefeller Fellow of the Partnership for New York City. He received a B.A from the University of Michigan. Mr. Stopnik and his wife live in New York City with their two children.
- Catherine Clarkin (Treasurer)Partner
Cathy is a partner at Sullivan & Cromwell, specializing in capital market transactions and corporate governance. She earned a B.A. in Economics from American University and her law degree from Catholic University, Columbus School of Law. Cathy serves as a Mentor to a fellow in TEAK’s 16th class and joined the board in 2016.
- Christopher Lanning (Secretary)Managing Director & General Counsel
Chris is a Managing Director and General Counsel of General Atlantic, a global growth equity firm. He joined the firm in 2000 and has served on a number of boards of General Atlantic portfolio companies. Prior to joining General Atlantic, Chris was associated with the law firms Hunton & Williams and Paul, Weiss, Rifkind, Wharton & Garrison. He holds a BA with High Distinction in History from The University of Virginia, and a JD from The University of Virginia School of Law. He lives in Manhattan with his wife Shelly and their two children. Chris joined the TEAK Board in 2012.
- Jonathan BilzinManaging Director
Jonathan is a Managing Director of TowerBrook Capital Partners where he has been since its founding. He was previously a Managing Director at Soros Private Equity. Prior to that, Mr. Bilzin was a member of the Principal Investment Area and Real Estate Principal Investment Area of Goldman Sachs in New York. Mr. Bilzin earned his B.B.A. from the University of Michigan and received his M.B.A. from the Stanford Graduate School of Business.
- Jill BorstManaging Director
Jill is a partner at Goldman, Sachs & Co and is the head of U.S. Interest Rates Sales and co-head of Global Repo Trading. She joined Goldman in 2000 and was named Managing Director in 2009 and partner in 2012. Jill earned a BA in Economics, summa cum laude, from Princeton University and a certificate in Finance from the Bendheim Center of Finance. She is a Mentor to a fellow in TEAK’s 15th class and joined the TEAK Board in 2017.
- Jason L. CaldwellDirector of Admissions
Jason Caldwell has been in the Independent School Admissions field for 15 years, previously serving as the Director of Middle and Upper School Admissions at the Packer Collegiate Institute in Brooklyn and currently as the Director of Nursery – 12th grade Admissions at his Alma Mater, Horace Mann School which is located in Bronx, New York. Previously, before working with the TEAK Fellowship, Jason served on the Breakthrough New York Board (Formerly Summberbridge) between 2010-2019 and served on the Board of Artworks for Youth (a South African based enrichment program for students) from 2009-2012. He began his career as the Regional Admissions Dean for the Mid-Atlantic at Swarthmore College. In addition to his work in education, Jason is a screenwriter with a handful of television projects in development. Jason lives in the Riverdale section of the Bronx with his wife, Demetra and daughters, Cameron and Alexis.
- Brad CoppensManaging Director
Brad is a Managing Director of One Equity Partners based in New York. He joined OEP in 2006. During his time at OEP, Brad has focused on the healthcare and technology-enabled services industries and has served as a Director on a number of boards of OEP portfolio companies in those industries. From 2012 to 2014, Brad lived in São Paulo, Brazil and led OEP’s investing efforts in the region. Prior to joining OEP, Brad worked in the Investment Banking division of JPMorgan in the Mergers & Acquisitions group. Mr. Coppens received his BBA in accounting and finance from the Stephen M. Ross School of Business at the University of Michigan. Brad served as a Mentor to a fellow in TEAK’s tenth class and joined the Board in 2018. Brad was also named TEAK’s 2016 Volunteer of the Year. Brad lives in Plandome, NY with his wife, Brett and their two children.
- Kenneth FoxManaging Partner
Ken is the Founder and a Managing Partner of Stripes, a growth-oriented private equity firm that invests in Internet and Branded Consumer Products businesses. Ken is a serial entrepreneur and is also the co-founder of A10 Capital and Internet Capital Group. Ken earned a BS in Economics from Penn State and served as a Mentor to a member of TEAK’s sixth class.
- John F. GreenExecutive Director
Earning his B.A. from Wesleyan and his Masters in Education from Harvard, John Green brings 35 years of educational experience at some of our Nation’s premier independent schools. From 1981-1986, John worked as a teacher, coach, and adviser at the Fessenden School and Western Reserve Academy where he also served as the Director of College Counseling. From 1986-2001, John served as a history department chair, Director of Admissions, Director of College Counseling and a Dean of Faculty at St. Paul’s School. From 2001-2013, John served Head of School at Peddie School. From 2013-2015, John worked as a coach and advises independent and residential schools on strategic planning and administrative and board development. Among a wide range of volunteer activities, John has served on the boards of Choate-Rosemary Hall School, Trenton Community Charter School, American Boychoir School, Beech Hill Middle School, New Jersey Scholars Educators Excellence Dedication (SEEDS), and Boys & Girls Clubs of Greater Concord.
- Jared S. HendricksSenior Managing Director
Jared joined Centerbridge in 2006 and focuses on investments in the Technology, Media & Telecom sector. Prior to joining Centerbridge, Jared was an Associate at Silver Lake Partners, a private equity firm focused on investments in technology and related growth companies operating at scale. Previously, Jared was an Investment Banking Analyst within the Global Industrial and Services Group at Credit Suisse First Boston. Jared graduated summa cum laude with a B.S. from Wharton School of the University of Pennsylvania. Jared serves on the Boards of Directors of American Renal Holdings, Inc. (and affiliated entities), IPC Corp. (and affiliated entities), Ligado Networks LLC and the board affiliated with Syncsort Incorporated.
- Jared L. HorowitzVice Chairman
Jared is a Vice Chairman at Newmark Group specializing in Tenant and Landlord representation where he has been since 2013. He was previously an Executive Director at Cushman & Wakefield for 13 years. Prior to real estate, Mr. Horowitz spent 5 years in the talent management field representing sports broadcasters. Mr. Horowitz earned a BS in Marketing at Lehigh University and resides in NYC with his wife Ally and their two children.
- Amran HusseinPartner
Amran is a Partner at Paul, Weiss, Rifkind, Wharton & Garrison LLP, specializing in the organization and operation of private investment funds. She earned a B.A. from Smith College and a J.D. from New York University School of Law, where she was a Staff Editor of the Review of Law & Social Change. Prior to law school, she worked at the Women’s Environment & Development Organization (WEDO), an international advocacy organization focused on promoting gender equality in global policy. Amran joined the TEAK board in 2016.
- Jacques S. PierreGeneral Counsel
Jacques S. Pierre joined U.S. Retirement & Benefits Partners in August 2020 as the General Counsel. His responsibilities include counseling the company’s officers and partners on acquisitions, contracts, employment issues, and other general legal and corporate matters.
Jacques comes to USRBP with a multi-faceted career that has spanned government, corporate, not-for-profit, and educational communities. Most recently, Jacques served as an Assistant United States Attorney in the District of New Jersey, where he focused on prosecuting white-collar and public corruption crimes, among other high-profile cases. During his time as a federal prosecutor, Jacques worked in the U.S. Attorney’s Special Prosecutions Division, as well as the Health Care and Government Frauds Unit. Prior to his Government service, Jacques worked for several years in the New Jersey and New York offices of Lowenstein Sandler LLP, primarily focusing his practice on complex business litigation, employment and labor law, and technology related matters. Jacques also served as a law clerk for the Chief Justice of the New Jersey Supreme Court where he assisted the Court on a variety of legal matters.
Prior to his legal career, Jacques served as a Director at two small educational not-for- profit organizations in the New York area. Jacques also worked as a high school history teacher. Jacques remains committed to educating youth by currently serving on the Board of Directors of the TEAK Fellowship and the Board of Trustees for the MESA Charter High School.
Jacques earned his Bachelor of Arts in American Studies and African American Studies from Wesleyan University, and his Juris Doctor from Rutgers School of Law – Newark. Jacques is admitted to practice in both the State of New Jersey and the State of New York.
- Robert S. Kalsow-RamosPartner
Robert is a Partner in Private Equity primarily focused on investments in the technology and business services sectors. Prior to joining Apollo in 2010, Robert was a member of the Investment Banking group at Morgan Stanley. He serves on the board of directors of Tech Data Corporation, Intrado, and The TEAK Fellowship. Robert previously served on the board of directors of Hexion Inc., Momentive Performance Materials, and Noranda Aluminum and was involved with the firm’s investment in Evertec Inc. Robert received his B.B.A. from the Stephen M. Ross School of Business at the University of Michigan, where he graduated with high distinction.
- Christina Seda-AcostaLitigation Associate
Christina Seda-Acosta is a litigation associate at Patterson Belknap Webb & Tyler. Her practice spans across a wide range of areas, from complex commercial disputes and internal investigations to employment matters. Christina’s work also involves contract review and negotiations for corporate clients. She is the Firm’s 2016 Diversity Fellow, and a member of the Diversity and Cybersecurity Committees. Prior to joining PBWT, Christina clerked for Judge Nelson Roman in the Southern District of New York. From 2014 through 2016, she served as a litigation associate at Paul Weiss. Christina graduated from Yale Law School in 2014. At YLS, Christina was a Co-Director of the Advocacy for Children & Youth Clinic, and Vice President of the Black Law Student’s Association. Christina currently sits on the New York City Bar Association Education & Law Committee. Outside of the legal profession, she has been involved in a number of organizations dedicated to serving New York City’s schoolchildren, including the TEAK, and Legal Outreach. Christina is a member of TEAK Class 2.
- Paul SpiveySearch Consultant
Paul is a search consultant with the executive search firm of Phillips Oppenheim dedicated to strengthening leadership in the nonprofit sector. Paul has advised a broad range of nonprofit clients on recruitment, donor development and board governance. Paul served as President of the Edwin Gould Foundation for Children, supporting education, youth development and financial literacy. Following a year-long internship with the New York City Board of Education, Paul became Executive Director of Sponsors for Educational Opportunity, committed to the achievement of low-income students. Paul’s year as a human rights worker for the Black Sash in South Africa in the late 1980s inspired him to support underserved youth both abroad and at home. Immediately following his graduation from college, Paul worked as a financial analyst for Goldman Sachs. Paul currently sits on the boards of Exponent Philanthropy and New York City Center. Prior board service includes his duties as Chair of the Association of Black Foundation Executives, Secretary of the Council on Foundations and Vice Chair of Philanthropy New York. Paul also has served on the boards of Connecticut Upward Bound, the Ackerman Institute for the Family and Boricua College’s Advisory Board. As a loyal alumnus, Paul has served on the boards of Eaglebrook School and Wesleyan University while representing St. Paul’s School as an Alumni Regional Representative.
- Judson TraphagenPartner
Jud is a private investor and partner at Plough Penny Partners. Prior to joining Plough Penny, he worked from 1989 until 1998 at Japonica Partners, an investment firm run by Paul Kazarian. He received a B.A. in History from Denison University in 1989 and an M.B.A. from Columbia Business School in 1994. Jud is on the board of trustees at Lang Center for Entrepreneurship at Columbia Business School, Eaglebrook School, and The Teak Fellowship.
- Robert S. Kaplan (Co-Founding Board Chair Emeritus)President and CEO
Robert was named as the thirteenth president and CEO of the Federal Reserve Bank of Dallas on September 8, 2015. He was previously the Martin Marshall Professor of Management Practice in Business Administration and Harvard Business School Senior Associate Dean for External Resources. A Senior Director of Goldman, Sachs & Co., Rob joined the company’s Corporate Finance Department as an Associate in 1983 and became a Managing Director in 1990. Rob is the Co-Chairman of the Board of Project A.L.S., Co-Chair of the Harvard NeuroDiscovery Center Council, and a member of the Board of the Harvard Medical School, The Jewish Museum, and The Jewish Theological Seminary. Rob is the author of What To Ask The Person In The Mirror (Harvard Business Review Press, 2011) and is also a graduate of the University of Kansas (1979) and Harvard Business School (1983). He joined the TEAK Board in 1998.
- Justine Stamen ArrillagaFounder & Chair Emeritus
Justine Stamen Arrillaga is the Founder of The TEAK Fellowship. Justine served as Executive Director of The TEAK Fellowship from 1998 until 2006 and then as Board Co-Chair from 2006 until 2013, when she was appointed Chair Emeritus. She is a fourth generation Californian, raised in Los Angeles. In 1992, Justine graduated from Brown University and moved to New York City, where she began her work in nonprofit and was deeply moved by the life-changing potential of academic and personal enrichment programs for low-income youth. After serving as Assistant Director of the Tiger Foundation in Manhattan and Director of Summerbridge at Riverdale, an academic enrichment program in the Bronx, she founded The TEAK Fellowship in 1998. The tragic murders of both her childhood best friend, Teak Dyer, and one of her beloved students from the Bronx, DeWitt White, inspired her to create The TEAK Fellowship in their memory. Justine and her husband John Arrillaga, Jr. live in Northern California and Hawaii with their three sons. Justine is a trustee of StoryCorps and an active supporter of the Cambodian Children’s Fund and The Sean Parker Center for Allergy Research at Stanford University, where she is a member of the Community Council Advisory. Justine was a weekly volunteer at Fisher House at the Palo Alto VA for ten years and is a lifelong painter, represented by Art Dimensions Gallery in Los Angeles. She enjoys tennis, travel and watching the TEAK Alums’ lives unfold in countless beautiful ways.