Senior Administration

Executive Vice President, Columbia Global; Director, ICAP at Columbia University; Director, Columbia World Projects; University Professor of Epidemiology and Medicine; Mathilde Krim-amfAR Chair of Global Health

Wafaa El-Sadr, MD, MPH, MPA is Executive Vice President of Columbia Global, the Dr. Mathilde Krim-amfAR Chair of Global Health at Columbia University, Founder and Director of global health center ICAP at Columbia University, and University Professor in Epidemiology and Medicine. Her vision for Columbia Global is to establish a unifying and strategic platform to promote and facilitate impactful engagement of the University’s faculty, students, and alumni with the world to enhance understanding, address global challenges, and advance knowledge and its exchange. Under her strategic leadership, Columbia Global aligns some of the University’s key global initiatives, including Columbia World Projects, the Columbia Global Centers, and the Institute for Ideas and Imagination.

An expert in global health and infectious diseases with longstanding experience in supporting diverse major health challenges around the world, Dr. El-Sadr has focused her career on advancing public health knowledge and putting that knowledge into action, establishing collaborative partnerships to strengthen health systems, and engaging with communities to meet health threats and improve health outcomes, especially among vulnerable populations around the world. She has led large-scale, innovative projects that have had decisive impacts on such pressing global health challenges as HIV, tuberculosis, malaria, antimicrobial resistance, non-communicable diseases including cancer, and, most recently, the COVID-19 pandemic.

Dr. El-Sadr received her medical degree at Cairo University, a master’s in public health from Columbia Mailman School of Public Health, and a master’s in public administration from Harvard University Kennedy School of Government. She is a MacArthur fellow as well as a member of the National Academy of Medicine, the Council for Foreign Relations, the African Academy of Sciences, and the Advisory Committee to the Director of the National Institutes of Health. She is principal investigator for numerous ICAP-led initiatives, including the NIH-funded HIV Prevention Trials Network and the New York City Pandemic Response Institute. She is also the director of Columbia World Projects and director of the Mailman School’s Global Health Initiative.

Susan Glancy is the 11^th Secretary of Columbia University, a position she assumed in 2024. In this role, she serves as the primary liaison between the Board of Trustees and the administration. Prior to becoming secretary, she served as the Chief of Staff to the President, a position she held for 18 years. She began her career at Columbia in 1999 at Columbia Business School.  Prior to joining Columbia, she worked for The Walt Disney Company. Glancy holds a degree in Theatre from New York University’s Tisch School of the Arts and a Master’s degree in Social and Organizational Psychology from Teachers College, Columbia University.

Peter E. Pilling is William Campbell Family Director of Intercollegiate Athletics and Physical Education. Prior to joining Columbia Athletics, Pilling served as senior associate athletic director at several of the most respected college sports programs in the country, including Villanova and Brigham Young universities. As a vice president at IMG College, the nation’s largest collegiate sports management company, Pilling has extensive experience serving athletics departments of Division I schools including Texas Christian University, Baylor University and the U.S. Air Force Academy.

In addition to his role as vice President, Orin Herskowitz serves as Executive Director of Columbia Technology Ventures, which manages more than 350 invention disclosures emerging from Columbia’s research labs each year, leading to over 100 license deals and over 20 new start-ups annually. Mr. Herskowitz has served on boards or as the Principal Investigator for several innovation and entrepreneurship-focused initiatives, including the NYC Media Lab, PowerBridgeNY, and the Columbia Coulter Translational Partnership. Prior to joining Columbia, he spent seven years with the Boston Consulting Group's New York office.

Dr. Melanie Bernitz is Interim Executive Vice President for University Life and Senior Vice President for Columbia Health. In these roles, she is responsible for strengthening the student experience at Columbia on issues of campus-wide concern, including inclusion and belonging, antidiscrimination, sexual respect, health and well-being, antiracism, and community citizenship. Dr. Bernitz joined Columbia Health in 2016. Previously, she served as the Executive Director of the Student Health Service at Columbia University Irving Medical Center.

Prior to that position, Dr. Bernitz was a resident, chief resident, and faculty member in Columbia’s Center for Family and Community Medicine. Growing up in the United Kingdom, she received both her bachelor’s degree in psychology and a degree in medicine at University College London. She then received her master’s degree in public health at Columbia University. She is an Associate Clinical Professor of Medicine in the Center of Family and Community Medicine.

Kim Y. Lew is the President and Chief Executive Officer of the Columbia Investment Management Company, responsible for managing the University’s endowment. She came to Columbia from Carnegie Corporation of New York, where she worked for more than a decade, most recently as Vice President and Chief Investment Officer.

Lew began her career at Chemical Bank as a credit analyst, after receiving her BS in economics from The Wharton School of the University of Pennsylvania. She went on to graduate with an MBA from Harvard Business School in 1992, after which she joined Prudential Capital Group and then the Ford Foundation, where she spent more than a decade, first as a portfolio strategist investing in the technology sector and then as a senior manager responsible for the organization’s private equity investments.

Interim President, Columbia University
Executive Vice President for Health and Biomedical Sciences
Dean of the Faculties of Health Sciences 
Chief Executive Officer of Columbia University Irving Medical Center
Harold and Margaret Hatch Professor of the University

Katrina Armstrong became the interim president of Columbia University on August 14, 2024. She is also the chief executive officer of Columbia University Irving Medical Center, which includes the Vagelos College of Physicians and Surgeons, the School of Nursing, the College of Dental Medicine, and the Mailman School of Public Health. She also is executive vice president for Health and Biomedical Sciences for Columbia University. Dr. Armstrong is an internationally recognized investigator in medical decision making, quality of care, and cancer prevention and outcomes, an award-winning teacher, and a practicing primary care physician. About Interim President Katrina Armstrong.

Joan C. Waters is the University’s ombuds officer, responsible for offering independent, impartial, and confidential services for the entire Columbia community of students, faculty, and staff on all campuses. Appointed in 2014, Ms. Waters and her staff provide a place for individuals across the University to discuss workplace complaints and other campus problems. Ms. Waters brings to Columbia her extensive professional experience as an Associate General Counsel at The City University of New York, a two-term elected justice in the New York State court system, an attorney in private practice, and a trained mediator and collaborative law practitioner.

Jeannette M. Wing is the Executive Vice President for Research at Columbia University.  In this role, she has overall responsibility for the University’s research enterprise at all locations, including the Morningside and Manhattanville campuses, Columbia University Irving Medical Center, Lamont-Doherty Earth Observatory and Nevis Laboratories, and internationally.  She joined Columbia in 2017 as the Avanessians Director of the Data Science Institute and Professor of Computer Science.

Prior to Columbia, Dr. Wing was Corporate Vice President of Microsoft Research, served on the faculty and as department head in computer science at Carnegie Mellon University, and served as Assistant Director for Computer and Information Science and Engineering at the National Science Foundation.  She is a Fellow of the American Academy of Arts and Sciences, American Association for the Advancement of Science, the Association for Computing Machinery, and the Institute of Electrical and Electronic Engineers. She received her bachelor’s, master’s, and doctoral degrees in computer science, all from the Massachusetts Institute of Technology.

Learn more about Jeannette Wing. 

Franz Paasche was appointed executive vice president for public affairs and communications in August 2024. His portfolio includes government and community affairs.

Franz comes to Columbia, most recently, from PayPal where he served as chief corporate affairs officer, with responsibility for global strategic communications, public affairs, social impact, government affairs, and community culture and employee engagement. Some of his previous experience includes working for McKinsey and Company as the head of external relations for North America, as a leadership communications and reputation management consultant at Communications Consulting Worldwide, as a litigator for Paul, Weiss, Rifkind, Wharton & Garrison, and as general counsel for Market Data Corporation. He began his career working on the legislative team of New York’s Senator Daniel Patrick Moynihan. Franz is a New Yorker and a graduate of Columbia Law School, where he was a Harlan Fiske Stone Scholar. He has a BA with high honors in political science, English literature, and American economic history from Swarthmore College.

Felice B. Rosan joined Columbia’s Office of the General Counsel in March 1999. She provides advice in the areas of University governance and policy, tax-exempt issues, charitable giving, executive compensation and in connection with the University’s Manhattanville project.   Before joining Columbia, she was Vice President and General Counsel for MovieFone, Inc. prior to its acquisition by AOL and an associate in the general corporate department at Cadwalader, Wickersham & Taft working on mergers, acquisitions, financings and other corporate transactions.

Ms. Rosan earned her undergraduate degree in English from the University of Pennsylvania in 1984. She received her J.D. cum laude from Temple University School of Law in 1991, where she was an editor of the Temple Law Review. She is admitted to practice law in New York State.

Dennis A. Mitchell is Senior Advisor for Inclusion and Belonging and Senior Vice Provost for Faculty Advancement at Columbia University, as well as Professor of Dental Medicine at Columbia University Medical Center. Mitchell, who joined the Columbia faculty in 1991, has led student and faculty diversity efforts at the College of Dental Medicine since 2004 and faculty diversity efforts in the Office of the Provost since 2014. He has also played a lead role spearheading university-wide anti-racism efforts.

Learn more about Dennis Mitchell. 

David Greenberg is the executive vice president for University Facilities and Operations, responsible for new building design and construction, public safety, campus services for students, building and grounds maintenance, oversight of Manhattanville construction and the University's residential portfolio. Prior to joining Facilities and Operations, Greenberg served as the first executive director of Columbia's Zuckerman Institute, where he continues to provide strategic and operational oversight. Greenberg has worked at the University since 2006 and holds a bachelor's degree from the University of Rochester; a master's of public administration from Syracuse University; and a master's of Construction Administration from Columbia.

Cas Holloway is Columbia’s Chief Operating Officer. As COO, Holloway serves as a member of the University Leadership Team and provides strategic oversight in key administrative areas, including Facilities and Operations, Human Resources, Columbia University Information Technology, Columbia Health, Columbia Technology Ventures, and climate and sustainability initiatives.

Holloway has had a distinguished career as a public servant, business leader, and entrepreneur. He joined the administration of Mayor Michael Bloomberg in 2006 as Chief of Staff to the Deputy Mayor for Operations. He then became Commissioner of the Department of Environmental Protection.

In 2011, Holloway was appointed Deputy Mayor for Operations, overseeing 11 mayoral agencies and offices, including the Departments of Sanitation, Buildings, and Environmental Protection; Citywide Administrative Services; and Labor Relations and Contracts, and assisting in the management of the FDNY, the Office of Emergency Management, and the Office of Management and Budget. He also oversaw the Mayor’s sustainability agenda, PlaNYC, and the City’s response to Hurricane Sandy, including the rebuilding of homes and neighborhoods most affected by the storm and the development of a long-term citywide resilience strategy.

From 2014 to 2019, Holloway worked at Bloomberg LP, where he served as Deputy COO and Global Head of Technical Operations. From 2019 to 2024, he held leadership roles at New York-based start-up companies Unqork and Shiftsmart. Holloway received his A.B. from Harvard University in Government and graduated from the University of Chicago Law School. He began his career at the New York City Department of Parks and Recreation.

Angela V. Olinto is Professor of Astronomy and of Physics and Provost of the University.

As Provost, Olinto is Columbia’s chief academic officer, and works to advance the academic distinction, intellectual richness, creativity, and integrity of the many facets of Columbia University. She supports President Shafik in the development and implementation of the University’s strategic academic priorities, and leads the deans and faculty in their pursuit of research and teaching excellence.

Olinto directs the development and implementation of Columbia's academic plans and policies, and supervises the work of its schools, departments, institutes, and research centers, with the support of a dedicated team of Vice Provosts and staff of the Office of the Provost. She manages faculty appointments and the tenure review process, supports faculty recruitment and retention as the University collectively aspires to diversify talent and expand excellence, seeds new education initiatives, and heads efforts to lower barriers to cross-disciplinary initiatives that expand the individual and collective impact of our faculty and students. In addition to the Office of the Provost, she oversees a number of centers and institutes, offices, and other academic resources, including the Data Science Institute, University Libraries, the Italian Academy, and the Columbia University Press.

Learn more about Angela Olinto

Amy Hungerford is the Executive Vice President of Arts and Sciences and Dean of the Faculty of Arts and Sciences. She is also Professor of English and Comparative Literature. 

Amelia Alverson is executive vice president for University Development and Alumni Relations, leading Columbia's fundraising efforts and outreach to alumni worldwide. Prior to 2014, she served as senior vice president for development at Columbia University Medical Center. Before joining Columbia in 2009, Alverson was vice president for development at Stanford Hospital & Clinics. She has more than 25 years of development experience in academic medicine, including leadership roles at Stanford Medical Center, the Feinberg School of Medicine at Northwestern University, and the University of Illinois.