The YMCA is a remarkable organization, and it requires a remarkable staff to deliver the vast array of services we offer to New Yorkers across this city. Our experienced, passionate team works every day to bring the Y's mission of healthier, more connected communities to life. 


Sharon Greenberger

President & CEO

Sharon Greenberger is the 10th President and CEO of the YMCA of Greater New York, a leading New York City nonprofit serving a diverse population of more than half a million children, adults, and seniors annually through programs and services that empower youth, improve health, and strengthen community. With 24 branches throughout the five boroughs, the Y connects active, engaged New Yorkers to build stronger communities.

Sharon launched the YMCA’s new strategic plan, Thriving New Yorkers, Stronger Communities, which outlines the organization’s vision for serving New York City from 2018-2025. She is leading development of two new YMCA branches in the Bronx, to be completed in 2020. The new Bronx facilities will serve tens of thousands of residents, create new jobs, add new recreational and learning spaces, and foster community engagement.


Prior to joining the YMCA in 2015, Sharon spent more than 20 years in both the private and public sector working to improve New Yorkers’ health and livelihood and promote the development of New York City.

As Senior Vice President, Facilities and Real Estate at New York-Presbyterian Hospital, she oversaw $2 billion of active projects to expand and improve facilities to better serve the needs of patients and their families. Sharon managed operations for 1,700 public schools serving 1.1 million children as COO of the New York City Department of Education, and led completion of 100 new schools while leading the City’s School Construction Authority. She also served as Chief of Staff to the City’s Deputy Mayor for Economic Development and Rebuilding, and Vice President for Economic Development at the Alliance for Downtown New York.

Sharon received her bachelor’s degree from Wesleyan University and holds a master’s degree in City Planning, with a focus in Housing and Community Development and Environmental Design, from the Massachusetts Institute of Technology.

She is a member of the Prospect Park YMCA and lives in Brooklyn with her husband Jonathan, with whom she has two daughters, Madelyn and Josie.


Mel Tse

Executive Vice President & Chief Operating Officer

As the Executive Vice President and Chief Operating Officer, Melvin Tse provides strategic leadership to the operations of 24 YMCA of Greater New York branches serving over 500,000 children, adults, and seniors through programs and services focused on empowering youth, improving health and strengthening community. Mel has devoted his career to strengthening the diverse and multicultural communities of New York City and as a lifelong resident, he understands the importance of responding to local community needs with an unwavering commitment to quality and excellence.

Mel began his Y career in 2002 as a Senior Program Director and has had the privilege of leading the organization in the roles of Associate Executive Director, Executive Director, Senior Executive Director, Vice President of Operations and Interim Chief Operating Officer. Throughout his Y career, he has been responsible for programming, board and staff development, fundraising, financial management, and capital development. Among his accomplishments, Mel provided leadership to the design and opening of the Coney Island YMCA, a new Aquatics center at the Prospect Park YMCA, and a new Early Childhood center for the Greenpoint YMCA.

Prior to the YMCA, Mel spent 10 years in various leadership positions with Hudson Guild, White House Office of National Drug Control Policy, and the City of New York Parks and Recreation. Mel has a Bachelor’s degree in Physical Education from Hunter College and is a proud husband and father to three of his own Y kids.


Michael Guarino

Executive Vice President & Chief Financial Officer/Treasurer

Michael Guarino provides administrative and operational leadership to the YMCA of Greater New York. Prior to his current position, Michael was the Vice President & Chief Financial Officer at the YMCA of Metropolitan Milwaukee. Previously, Michael has served as Executive Vice President & Chief Financial Officer at the YMCA of Metropolitan Chicago. A career YMCA professional, Michael has held numerous high level leadership positions and has served as a member of each organization’s executive management team.

Michael holds a BS in Financial Accounting and an MBA, both from the University of New Haven. He is currently a governing member of the YMCA’s National Employee Benefits Plan’s Management Committee. The plan provides valuable health and welfare benefits to 14,000 YMCA staff across the country.

In addition, Michael serves as a member of the Audit Committee of the Board of Directors, for the Chicago headquarters of the YMCA of the USA. He also is a member of No Bats Baseball, a charitable organization that promotes sports to underprivileged children worldwide.


Kathryn Glass

Senior Vice President & Chief Marketing & Communications Officer

Prior to joining the Y in 2016, Kathryn served as Vice President of Marketing and Public Engagement at Brooklyn Botanic Garden, where she led communications, public programs, and partnerships and also managed the Garden’s earned income lines. Previously, Kathryn led business development and marketing for Acoustiguide, Inc., a provider of mobile experiences for the cultural sector, for more than ten years.

Kathryn received her B.A. in art history and history from the University of Pennsylvania. In 2014, she was a fellow at the Getty Leadership Institute for Museum Executives.


Elizabeth Bergin

Senior Vice President, Research, Evaluation, & Strategy

Elizabeth joined the YMCA in 2016, bringing with her extensive experience in data analysis, the creation of efficient processes, and the identification of industry best practices. She previously worked with New York-Presbyterian Hospital. Elizabeth has also held various leadership roles with the New York City School Construction Authority and the New York City Health & Hospitals Corporation.

Elizabeth received her B.A. from Texas A&M University and earned her M.P.A from George Washington University.


Joseph Chan

Senior Vice President, Real Estate & Property Management

Joseph has over two decades of experience in community and economic development. Joseph has served for five years as Executive Vice President, Real Estate and Public/Private Partnerships at Empire State Development (ESD), New York State’s chief economic development agency. During his tenure, he oversaw the agency’s large-scale public/private development projects and priorities.

From 2006 to 2011, Joseph was the founding president of the Downtown Brooklyn Partnership, a nonprofit local development corporation. Under his leadership, the company promoted and advanced the growth of downtown Brooklyn, New York City’s third largest central business district. Previously, Joseph served for four years as a Senior Policy Advisor in the Office of the Deputy Mayor for Economic Development in the New York City’s Mayor Office during the Bloomberg administration. He also has held leadership positions in the Brooklyn Chamber of Commerce and Local Development Corporation of East New York.

In 2008, Joseph was named one of Crain’s New York Business’ "40 Under 40." The following year, he received the NYU Wagner School of Public Service Torch Award for Distinguished Young Alumni.


Peter Demée

Chief Information Officer

Peter provides strategic and operational leadership for all technology-related activities in support of business needs and priorities at the YMCA of Greater New York.

Prior to joining the YMCA, Peter served as Senior Vice President, Head of Technology at the Advertising Council, a 501(c)(3) nonprofit organization, where he improved governance, modernized IT infrastructure and systems, improved business processes and IT services, and used technology strategically to enable the goals of the organization: including the switch from analog to digital distribution of public service announcements and using analytics to improve the performance of campaigns.

Peter has also previously served as Senior Vice President of Global Applications at Young & Rubicam where he standardized on one set of enterprise applications across six lines of business with a focus on improving user experience while optimizing risks and costs, leveraged technology to improve team collaboration and knowledge-sharing, and changed the perception of IT by partnering with client teams to develop innovative technology solutions that were beneficial to both client organizations and Young & Rubicam.

Other past positions include Vice President, IT Director for North America and Director of Project Management, both at Young & Rubicam, IT Director at MTV Networks and Project Manager at Viacom Entertainment.

Peter holds a B.S. in Computer Science and MBA in Finance, both from St. John’s University. In addition, he is certified in the governance of enterprise IT (CGEIT), process improvement, and project management (PMP, CSM).

Vice Presidents

Lauren Barr, Vice President, Youth & Community Development

Lauren Barr is the Vice President for Youth & Community Development. In her role, Lauren supports youth and family programming citywide, including afterschool programs, summer camp, teen services, community school initiatives, literacy programs, and our New American Welcome Centers.

Lauren has worked with the YMCA of Greater New York in various capacities since 2004, including Director of Citywide Teen Programs for the Association Office and Senior Youth & Family Director for the Vanderbilt YMCA. Before joining the Y, Lauren worked in various youth-serving non-profits focused on education, equity and the alleviation of poverty.

Lauren received her law degree from Brooklyn Law School and her bachelor's degree from Barnard College.

Patti Davis, Vice President, Fund Development

Patti Davis joined the Y in 2017 and serves as Vice President of Fund Development at the YMCA of Greater New York's Association Office. Patti's primary focus is the oversight of the Bronx capital campaign, which will raise funds for the construction of two new state-of-the-art YMCAs in the South Bronx and the Northeast Bronx. These new facilities, scheduled to open in the fall of 2020, will dramatically expand the Y's ability to provide much-needed programs and services to Bronx residents.

Patti began her career in non-profit management at AFS Intercultural Programs, where she held leadership positions in operations, fundraising, grants management, and organizational development for over twenty years. Prior to joining the Y, Patti served as Senior Director of Membership Development at NYC & Company, New York City's marketing agency.

Patti received a bachelor's degree in Business Administration from the University of Massachusetts, Amherst.

Dordy Jourdain, Vice President, Field Operations

Dordy Jourdain is the Vice President of Field Operations and is responsible for regional oversight of six Brooklyn YMCAs, providing guidance and operational support to the Executive Directors and their teams. He also serves as the Executive Director of the Bedford-Stuyvesant YMCA.

Dordy began his Y career as a Customer Relations Clerk at the Harlem YMCA in 1992 and served the branch in several capacities including Associate Executive Director. He has also served as the Executive Director of the Flatbush YMCA from 2006 to 2008 before becoming the Executive Director at the Bedford-Stuyvesant YMCA.

Dordy holds a bachelor's degree in Political Science from City College of New York and an associate's degree in Business Administration from Borough of Manhattan Community College.

Sharon Levy, Vice President, Public Affairs

Sharon Levy is the Vice President for Public Affairs and assists in the oversight of all aspects of public affairs and public policy, including government relations and government funding.

Sharon began her career at the YMCA as the Associate Director of Government Relations in January of 2000 and was promoted to Director within one year. She left the YMCA in 2003 to become chief of staff for Parks, Public Works and Partnerships for the Nassau County Executive and returned to the YMCA as a public affairs consultant in 2005. Prior to joining the YMCA, Sharon held staff positions within all three levels of government: U.S. House of Representatives, Office of the New York State Governor and the New York City Council.

Sharon has a BA in political science and communications from the City University of New York at Queens College and a Masters in Public Administration from New York University’s Wagner School of Public Service.

Heather Livernois, Vice President, Finance

Heather Livernois joined the YMCA of Greater New York as Vice President, Finance in November 2011. In her new role, Heather is responsible for all aspects of financial management, including accounting, budgeting, expense management and reporting.

Heather transferred to the New York City YMCA following seventeen years with the YMCA of Metropolitan Los Angeles, where she most recently held the position of Senior Vice President Finance/Controller. She was a member of the Los Angeles Y’s leadership team, responsible for coordinating the refinancing of their $32 million revenue bond, obtaining capital financing for the Association’s fitness equipment and managing the day-to-day financial operations. Even prior to her move to the Big Apple, Heather was a familiar fixture to executives in the YMCA of Greater New York’s Association Office and was instrumental in the organization’s decision to switch its data management system.

Prior to the YMCA, Heather was the Manager of Operational Accounting at Bally’s Health & Tennis Corporation and the Vice President/Controller of Brentwood Square Savings and Loan Association. In addition, Heather was an Audit Manager with Ernst & Young.

Heather, a Certified Public Accountant and member of the Society of CPAs, earned her degree in Economics at the University of Colorado. 

Erika Rautenstrauch, Vice President, Field Operations

Erika Rautenstrauch provides oversight to the leadership of the Association’s Queens branches in her role as Vice President of Field Operations. Erika also serves as the Executive Director of the Prospect Park YMCA in Brooklyn. 

After receiving her undergraduate degree from CUNY, Erika joined New York City's YMCA as the Director of Aquatics for the Broadway branch in 2002. She held a variety of roles in Staten Island and Brooklyn, including Youth & Family Director and Associate Executive Director of the Park Slope Armory YMCA. 

Lisa Sanguiliano, Vice President, Healthy Lifestyles

Lisa Sanguiliano is the Vice President of Healthy Lifestyles, providing vision, leadership, and hands-on support for the health and wellness initiatives for the Association.

She began her career at a New Jersey YMCA as the Fitness Director in 1989, and has advanced to Senior Director, Districted Executive Director, and Vice President of Operations.

Lisa has a bachelor's degree in Health, Physical Education & Recreation from Seton Hall University.

William J. Smith, Vice President, Enterprise Risk Management

William J. Smith is responsible for the Association's risk management, internal audit, government contract, vendor responsibility and violations management functions.

Prior to joining the YMCA as Director of Risk Management in 2006, William worked seventeen years as a claims professional for several large insurers. His specialty was claims management for non-profits and public entities. He received both his undergraduate and graduate degrees at CUNY, is a licensed claims adjuster and holds CPCU, ARM, ARM-P and AIS certifications.

William was born and raised in Brooklyn, where he lives with his wife and daughter.

Elizabeth Toledo, Vice President, Field Operations
Loretta Trapani, Vice President, Field Operations

Loretta Trapani provides leadership in staff development and training for the YMCA of Greater New York serving the needs of over 4,700 Association staff. In this role since January 2005, Loretta has developed NYC University, a training initiative spanning 21 distinct disciplines of YMCA work.

Prior to her current role, Loretta spent 15 years in Branch operations, most recently as Executive Director of the Greenpoint YMCA. Her YMCA career began as a Youth Program Director at the Brooklyn Central YMCA (now Dodge YMCA) before moving up to Center Director and then Associate Executive Director at the Flushing YMCA. Loretta is a national trainer for YMCA of the USA.

Loretta earned her undergraduate degree at Fairfield University, but cites a childhood spent in Brooklyn’s “school of hard knocks” as the beginning of a lifetime as a student of the world.

Jim Trocchia, Vice President, Human Resources

Jim Trocchia oversees benefits, compensation, HRIS, employee relations, recruitment, staff development and compliance for the Association.

Jim began his career with the YMCA in October 2006 as Director of Benefits & Compensation. He managed the Association’s employee benefits and compensation programs while ensuring compliance with the Department of Labor, IRS and ERISA regulations. During this time Jim coordinated the implementation of the HR and the benefit self-service modules in CONNECT. Also under Jim’s leadership, a new transit benefit, supplemental short term disability plan and full-service Employee Assistance Program (EAP) were introduced Association wide. In July 2010, Jim was promoted to Senior Executive, Benefits & Compensation.

Prior to joining the YMCA, Jim was employed as a Consultant with Unique Management Solutions (UMS) and provided guidance to organizations with their benefits and compensation programs. In addition, Jim was employed with Atlantic Bank of New York as an Assistant Vice President, managing the Bank’s benefits, variable compensation and executive compensation programs. Jim has additional leadership experience in the benefits and compensation field while working with and Doubleday Direct, Inc. Earlier in his career, Jim was a Defined Contribution Plan Administrator specializing in pension plans, with William Mercer, Inc.

Jim holds a BS in Economics, with a concentration in Marketing, from Siena College.

Senior Executive Directors

Joann Donnelly

Senior Executive Director, Community Integrated Health


Emilie Franske

Senior Executive Director, Membership


Donnalea Hulett

Senior Executive Director, Benefits, Compensation & HRIS


Mary Jane Raymond



Jeff Vockrodt

Senior Executive Director, Board Engagement & Strategic Partnerships


Krista Werbeck

Senior Executive Director, Strategic Planning


Rosalie White

Assistant Treasurer & Director of Treasury Services