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Meet the Team


Gerard J. Costello


Gerard J. Costello is President of Transition Management Corporation, a company he founded after holding a series of successful positions developing and managing major mixed-use office, hotel, residential and industrial properties throughout the United States. His experience and insight with various project and building types has led Transition Management to success as a multi-disciplinary Real Estate Services firm.
Mr. Costello has a unique depth of experience in managing special projects that include the opening of a state-of-the-art production facility for the New York Times and the management of a large portfolio of properties for Columbia University. Over the course of his career, Mr. Costello has worked with Mendik Realty, Prudential Life Insurance, Revlon, Exxon, Carol Management Corporation and The New York Post.
Prior to forming Transition Management, Mr. Costello was Managing Director of Operations for Millennium Partners and was responsible for all aspects of operations in opening and stabilizing six major Ritz Carlton developments in Boston, New York and Washington, DC.  These complex mixed-use projects consisted of five star hotels, recreation and entertainment facilities, residential condominiums, parking garages and retail space totaling over $3 billion. 
Mr. Costello holds a BS degree in Business Management from St. Francis College in Brooklyn, New York. He is a member of the Building Owners and Managers Association (BOMA).


Thomas Vomero

Project Manager

Thomas Vomero is an industry professional who brings more than 20 years experience to Transition Management, having managed construction projects in commercial, hotel and residential properties.
Prior to joining Transition Management, Mr. Vomero built his career in the New York area, first at the architectural firm of Schaardt &Fullen architects, PC and then as a project manager with building owners and property managers including Mendik Realty, Vornado Realty Trust, Millennium Partners and SL Green Realty Corp.
Mr. Vomero has always been involved in complex projects at premier companies. The projects completed during his affiliation with Mendik Realty and Vornado Realty Trust include the redevelopment of 570 Lexington Avenue and 770 Broadway. He also managed the termination of services and site preparation for the construction of 731 Lexington Avenue.  After Mr. Vomero's work at Mendik Realty and Vornado, he joined Millennium Partners where he was an owner's representative for the Ritz Carlton Hotel and Condominiums in New York and Washington, DC. He continued with Millennium Partners and managed large capital projects for a number of the company's properties. At SL Green, he managed tenant, base building and capital project construction for one-third of the company's portfolio.
Mr. Vomero received his BS in Architecture from the New York Institute of Technology in New York, NY.  He is a member of the American Institute of Architects.


Jeremiah Stoldt

Project Manager

Jeremiah Stoldt brings a portfolio of diverse planning and project management experience from the Education Sector to the Transition Management team.
Before joining Transition Management, Mr. Stoldt worked at Princeton University, where he managed several projects, including the construction of a new administrative office building off campus with developer partner Boston Properties. The 120,000 square-foot building, which opened in November, is also Princeton’s first LEED-recognized building, having achieved the U.S. Green Building Council’s “Silver” designation. In addition, he managed a portfolio of projects that addressed State and Federal compliance issues.

Prior to his work at Princeton, Mr. Stoldt held a number of positions with Columbia University. Most recently, he led the planning effort for Columbia’s 25-year, $5 billion expansion into an 17-acre area of Harlem known as Manhattanville, and was responsible for the management of architects, consultants and staff as well as the coordination of academic, administrative and community representation. In other roles, Mr. Stoldt also managed the consolidation of administrative services from three facilities organizations, oversaw the planning of an emergency response protocol and managed services and small projects for the University’s Graduate and Professional School clients.
Mr. Stoldt received his BS in Philosophy from Columbia University and his and his MBA from Columbia Business School in New York, NY.  

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