Leading old New York
to new New York.

Senior Leadership

Stephen Meringoff

Founder + Managing Partner

Stephen J. Meringoff is a Co-Managing Partner of Himmel + Meringoff Properties, Inc., and Chairman of its affiliated property management company, Meringoff Properties, Inc. Mr. Meringoff has been playing an active ownership role in the New York City Real Estate community as a real estate principal for over 45 years.

He has acquired more than 50 commercial properties comprising approximately five million square feet in New York City and Los Angeles. His real estate specialty has been the acquisition and development of existing undervalued properties and the subsequent upgrading and creation of value in these properties.

Mr. Meringoff is currently a member of the Board of Directors of the New York Landmarks Conservancy and the Guild Hall of East Hampton, NY, the Board of Governors of the Real Estate Board of NY (REBNY) and has previously served as a member of both the Midtown South Preservation and Development Committee and the Park Avenue South Association. He is a member of the Association for a Better New York, the Real Estate Council of the Metropolitan Museum of Art and has been a member of the Urban Land Institute for over 40 years.

His philanthropic activity is focused primarily in support of public education initiatives in New York City through the Meringoff Family Foundation. Mr. Meringoff currently serves on a number of charitable Boards including the Alvin Ailey Dance Company, as well as being a member of the Leadership Council of the New York Stem Cell Foundation. He has previously served as a member of the Reading Team in Harlem, the Boards of the Brearley School and the City of Hope National Medical Center, and received the Public School Champion award for outstanding commitment to public education in New York City from Pencil Inc. where he also served as a member of the Board.

Mr. Meringoff holds a BS degree in Electrical Engineering from Cornell University and a MBA from the Harvard Graduate School of Business Administration.

Leslie Wohlman Himmel

Founder + Managing Partner

Recognized as one of the most prominent women in New York’s real estate industry, Leslie Wohlman Himmel has been Co-Managing Partner of Himmel + Meringoff Properties which she formed with Stephen Meringoff in 1985.

The firm specializes in creating long-term strategic value in office and industrial properties. Through their privately held real estate companies, they have owned, operated and redeveloped several million square feet of commercial property concentrated in New York City. Ms. Himmel is known for her expertise in the acquisition and financing of properties for strategic repositioning, opportunistic purchases, and timely dispositions. Prior to 1985, she worked for Integrated Resources, a NYSE company, in which she acquired and financed commercial properties nationally.

Ms. Himmel serves as a Board Member of the M&T Bank Directors Advisory Council, M&T New York City Mortgage Committee, and the mezzanine debt fund Lionheart Strategic Management. She is on the Board of the Harvard Business School Club of New York and the YPO Real Estate Industry Network (REIN).

As a dedicated advocate for New York City’s commercial real estate industry over the past four decades, Ms. Himmel founded REBNY’s Economic Development Committee in 1992. She continues to co-chair the Committee, leading the work with NYC officials to support economic development. As Treasurer of the Executive Committee of REBNY, she also has been on REBNY’s Board of Governors since 2001. Ms. Himmel is a member of The Partnership for New York, The Real Estate Roundtable, the UDMUC Red Council of the Urban Land Institute, YPO Big Apple Gold and Young Men’s/Women’s Real Estate Association of New York. She is a frequent speaker at industry events.

In 2021, Ms. Himmel was honored with the Champions for Youth Award by SparkYouth NYC, a charitable organization that supports community-based youth programs. In 2017 and 2019, she was named as one of the 50 Most Powerful Women in New York by Crain’s. She was honored as The Harvard Business School Club of New York’s “Entrepreneur of the Year” in 2016 and received REBNY’s Mendik Lifetime Leadership in Real Estate Award in 2011 for exceptional accomplishment and dedication to leadership in New York real estate.

Dedicated to female entrepreneurs, Ms. Himmel established “The Women’s Student Association Fellowship Fund” in 2008, which awards scholarships to Harvard Business School students. Ms. Himmel is also an early stage investor and Board advisor to Alfred, a residential online concierge platform developed by two female HBS graduates.

Ms. Himmel earned her bachelor’s degree from the University of Pennsylvania, graduating Summa Cum Laude and Phi Beta Kappa, and she received her MBA with High Honors from Harvard Business School.

Jason Vacker

President + Chief Executive Officer

Mr. Vacker is President and Chief Executive Officer of Meringoff Properties, Inc., a fully-integrated real estate management company specializing in the creative repositioning, redevelopment and operation of commercial property in New York City.

As President and CEO, Mr. Vacker is responsible for overseeing leasing, management, operations, construction and administration for the company’s 2.5 million-square-foot commercial real estate portfolio.

Jason was recognized by AFRMC at the Real Estate and Finance Deal of the Year Awards with the Most Innovative Technology Award for the lease completed with Jerusalem Venture Partners at 462 Broadway. Notably the company’s redevelopment of 8 Times Square in 2016 was recognized by REBNY as The Most Significant Retail Deal of the Year.

Prior to holding the position of President and Chief Executive Officer, Mr. Vacker held the positions of Chief Operating Officer, Executive Vice President and Director of Leasing.

An active member of the community, Mr. Vacker is a board member and the Treasurer of the Flatiron NoMad Partnership, and is a board member of the Times Square Alliance, the SoHo Broadway Initiative and is former board member of YM/WREA. He is also a member of REBNY and the International Council of Shopping Centers. Additionally, he is a supporter of The Actors Fund and the Madison Square Park Conservancy.

Jason earned his BBA in Finance, Investment and Banking from the Grainger School of Business at the University of Wisconsin-Madison in 2004.

Andrea Himmel

Principal + Chief Investment Officer

Andrea Himmel is the Chief Investment Officer and a Principal of Himmel + Meringoff Properties. With a deep, research-oriented approach, she is responsible for sourcing and evaluating new deals and re-development opportunities as well as developing relationships with equity and joint venture partners. Prior to becoming CIO, Andrea played a key role in establishing the firm’s industrial platform.

Prior to joining H+M, Ms. Himmel founded Revere Resources, an energy-focused private equity fund with $300 million of assets under management (Fund II), after realizing a 3x multiple on invested capital on Fund I.

Before founding Revere Resources, Ms. Himmel spent seven years at Sanders Capital, a value-oriented global investment manager with $60 billion of AUM. Although a generalist, she also specialized in Sanders’ energy investment portfolio.

Ms. Himmel serves as the Secretary of The Executive Committee of The Board of Directors of Habitat for Humanity New York City and as Treasurer of the Executive Committee of the Board of the Manhattan Chamber of Commerce. Additionally, she serves on the Diversity Committee for the Real Estate Board of New York (REBNY) and is M/WBE Certified. Ms. Himmel is a frequent speaker at major industry events on a variety of topics.

While attending the University of Pennsylvania’s Wharton School of Business as an undergraduate, Ms. Himmel concentrated her studies in real estate and was in the Joseph Wharton Scholars’ Honors Program. As an undergraduate, she worked in real estate private equity at Lubert Adler Real Estate Funds and in real estate debt securitization at Morgan Stanley. Upon graduation, Ms. Himmel worked for Brookfield Property Partners in the acquisitions and leasing groups.

Senior Management

Our team of skilled and seasoned industry specialists, led by senior management professionals at Meringoff Properties, Inc., most with over 20 years of experience in the industry, makes for a highly efficient, nimble, and stable organization.

Susan Porro

Senior VP + Chief of Staff

Sandra Worrell

Senior VP + Controller

Adam Weissleder

Senior VP + Director of Leasing

Willie Choi

Senior VP + Portfolio Manager

Maxwell Lemos

Senior VP + Portfolio Manager

Dan Chiltern

Senior VP + Director of Construction

Anthony Vele

VP Construction + Project Management

Sean Boone

Vice President, Financial Analysis