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We have proven that sustainability creates lasting value.
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We believe that well-crafted buildings can improve people’s lives.
© Nic Lehoux
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We build for and with communities.
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We draw inspiration from nature.
© Chris Payne/Esto
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We prioritize lasting partnerships.

Our Company

MAG Partners is a woman-owned, urban real estate company with decades of experience developing impactful, iconic, large-scale projects.

Led by MaryAnne Gilmartin, together the MAG Partners team has successfully designed, built and operated over seven million square feet of office, residential and mixed-use projects, including over 2,000 units of housing, with a total value of over $4.5 billion. Our current multi-million square foot development portfolio includes three multifamily rental buildings and a ground-up commercial development in Manhattan and a master plan redevelopment in Baltimore.

We believe and have proven that principles of beauty, diversity, inclusion and sustainability create great places with lasting value for our partners, investors and communities.

Our Record

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New York Times

The New York Times Building is an office building in midtown Manhattan developed in partnership with The New York Times Company. The building was designed by Pritzker Prize-winning Italian architect Renzo Piano and was a driving force behind the redevelopment of 42nd Street.

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New York by Gehry

When New York by Gehry was completed in 2011, this 896 unit building—dubbed “Frank Gehry’s Love Letter to New York”—was the tallest residential building in the Western Hemisphere. The building was a catalyst for the transformation of Lower Manhattan into a 24/7 mixed use community.

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Tata Innovation Center

The Tata Innovation Center is a first-of-its-kind office space for tech innovation. Designed by acclaimed architects Weiss/Manfredi and located on the cutting-edge Cornell Tech campus on Roosevelt Island, the building brings together industry and academia to spur innovation in the digital economy.

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Barclays Center

Barclays Center, a state-of-the-art sports and entertainment venue in the heart of Brooklyn, is the centerpiece of the Pacific Park Brooklyn master development. A creative collaboration with music legend JAY-Z, the arena was designed by SHoP Architects and is credited with revitalizing the surrounding area and bringing professional sports back to Brooklyn.

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Pacific Park Brooklyn

Pacific Park Brooklyn is an eight million square foot master plan development that includes 14 mixed-income residential buildings, commercial, and retail space. When completed, Pacific Park Brooklyn—groundbreaking in its scale and ambition for the borough—will span eight acres and cover the Vanderbilt Rail Yard. Pacific Park’s first four residential buildings were designed by SHoP and COOKFOX Architects and opened in 2017.

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Metrotech Center

MetroTech Center is a $1.5 billion, 7.6 million square foot commercial, academic, and high technology complex on a ten-block, sixteen-acre site that was developed, leased and operated by members of the MAG Partners team. Critical to kickstarting Brooklyn’s revival, MetroTech transformed a dilapidated downtown into New York’s third-largest business district, bringing more than 22,000 jobs to the neighborhood.

Our Expertise

MAG Partners pairs institutional know-how and experience with a creative and nimble approach to deal-making. We strive to create great spaces, deliver superior service and construct projects that build upon the fabric of their surrounding communities.

Acquisitions & CAPITAL markets

MAG Partners utilizes its creativity and deep relationships to source and structure unique and valuable projects. Grounded in comprehensive real estate knowledge and experience, the MAG Partners team pairs expert project evaluation skills, from site evaluation and zoning analysis to political risk assessment, with access to project structuring and underwriting capacity, sourced from long-term relationships with institutional investors and lenders. In November 2020 MAG Partners formed a non-exclusive joint venture with the real estate investor Safanad to pursue urban real estate projects, primarily in the New York area. The venture will act as a general partner as it acquires properties and sites for both ground-up development and active management.

Portfolio & Asset Management

MAG Partners is comprised of a team of highly seasoned asset managers whose experience includes operating over 20M square feet of commercial, residential, retail and hospitality space at Forest City Realty Trust and Mack-Cali. The team’s expertise includes the full range of management capabilities, from budgeting and financial analysis to leasing, marketing, and property management. MAG Partners’ unique approach focuses on creating exceptional relationships with all constituencies – from tenants and vendors to investors and lenders – leading to long-term partnerships with the parties critical for maximizing the value of each asset in the portfolio.

Development & Construction

MAG Partners has successfully designed and built over seven million square feet of office, residential and mixed-use projects, including over 2,000 units of housing, with a total value of over $4.5 billion. The team brings a comprehensive, end-to-end skill set to development, enabling MAG Partners to manage projects from ideation to steady state management and exit. The MAG Partners team has spearheaded some of New York City’s most transformative masterplan developments and takes pride in its human-centric approach to transforming neighborhoods and making markets.

Public-Private Development

The MAG Partners team has decades of experience executing successful public-private partnerships and bringing to life transformational masterplans. Members of the team have been relied upon by New York City and State governments to produce development and infrastructure projects that deliver benefits to the community, including high levels of MWBE participation and quality permanent and construction jobs, with a special emphasis on local hiring. MAG Partners has a dedicated and experienced in-house lobbying capability, giving MAG Partners access to policymakers in New York City and Albany – a unique advantage for New York projects. A core capability of the MAG Partners team is its expertise in developing community support and achieving successful public approvals for projects. As experts in New York City Uniform Land Use Review Procedure (ULURP) and New York State General Project Plans (GPP), MAG Partners has vast experience entitling projects and navigating complicated regulatory environments.

Our Team

MaryAnne Gilmartin

MaryAnne Gilmartin

Founder & Chief Executive Officer, MAG Partners

MaryAnne Gilmartin

Founder & Chief Executive Officer, MAG Partners

MaryAnne Gilmartin is the Founder and Chief Executive Officer of MAG Partners, a New York-based real estate development company she founded in 2020.  Most recently, MaryAnne also served as interim Chief Executive Officer and Chair of the Board of Directors of Mack-Cali Realty Corporation.

Prior to founding MAG Partners, MaryAnne was CEO of L&L MAG. After a successful two-year partnership with L&L, MaryAnne spun out of L&L MAG to launch her own firm, MAG Partners. The company is currently developing a 480-unit residential building in Chelsea, designed by acclaimed architect COOKFOX.

MaryAnne previously served as President and CEO of Forest City Ratner Companies, where she oversaw a period of game-changing ground-up development and managed its multimillion square foot residential, commercial and retail portfolio.

In her tenure at Forest City Ratner Companies, MaryAnne spearheaded the development of some of the most high-profile real estate projects in New York City. She led the efforts to build Barclays Center, the state-of-the-art sports and entertainment venue and the centerpiece of the $4.9 billion, 22-acre mixed-use Pacific Park Brooklyn development. She also oversaw the development of The New York Times Building, designed by world-renowned architect Renzo Piano; New York by Gehry, designed by award-winning architect Frank Gehry; and the Tata Innovation Center at Cornell Tech, a new office building that is a first-of-its-kind space for tech innovation, designed by Weiss/Manfredi on Roosevelt Island.

MaryAnne is a civic leader in the New York metropolitan area, serving as Chair Emeritus of the Downtown Brooklyn Partnership, member of the Board of Trustees of the Brooklyn Academy of Music, member of the New York Public Radio Board of Trustees, member of the Executive Committee and Board of Governors of The Real Estate Board of New York, and part of the Industry Advisory Board of the MS Real Estate Development Program at Columbia University. In addition to her civic and industry board service, MaryAnne was appointed a member of the board of directors of the global investment banking firm Jefferies Group LLC in 2014.

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Susi Yu

Susi Yu

Principal, Head of Development

Susi Yu

Principal, Head of Development

Susi Yu is a Principal and the Head of Development at MAG Partners, responsible for overseeing and executing the company’s development investment strategy.

MAG Partners spun out of a successful two-year partnership with the L&L Holding Company founders, called L&L MAG. During her tenure at L&L MAG, Susi oversaw the acquisition and development of 480-unit multi-family rental project in Chelsea.

Previously, Susi served as Executive Vice President of Development for Forest City Ratner Companies, leading the Residential Development team on execution of Pacific Park Brooklyn, the $4.9 billion, 22-acre mixed-use development in the heart of Brooklyn. At Forest City, Susi also oversaw the development of large scale, mixed-use urban projects including New York by Gehry, a 896-unit residential building designed by Frank Gehry. Susi started at Forest City in 2001 and worked there until 2018, except for a 20-month stint from 2013–2015 with the Howard Hughes Corporation as Senior Vice President of Development.

Trained as an architect at the University of Virginia’s School of Architecture, Susi previously worked for ten years in that field, most recently as a Project Architect for Robert A.M. Stern. She is a graduate of Columbia University’s Master of Science in Real Estate Development Program and is a registered architect in New York State. Susi emigrated from Seoul, Korea to Richmond, Virginia at the age of ten. Susi serves on an advisory board of the Goldman Family and is a director of Apple Bank.

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Jeffrey A. Rosen

Jeffrey A. Rosen

Principal

Jeffrey A. Rosen

Principal

Jeffrey Rosen is a Principal at MAG Partners and oversees development and capital markets activities for the company.

MAG Partners spun out of a successful two-year partnership with the L&L Holding Company founders, called L&L MAG. At L&L MAG, Jeffrey was responsible for sourcing $92M in joint venture equity and oversaw the closing of a $173M construction facility for a 480-unit multi-family rental project in Chelsea.

Prior to joining L&L MAG, Jeffrey spent 12 years at Forest City Realty Trust, most recently as Executive Director of Greenland Forest City Partners, a joint venture partnership between Forest City Realty Trust and Greenland USA, a subsidiary of Shanghai-based Greenland Group. In that role, Mr. Rosen was responsible for the overall execution and strategic direction of Pacific Park Brooklyn, the $4.9 billion, 22-acre mixed-use development in the heart of Brooklyn.

Jeffrey also served as Senior Vice President for Finance and Capital Markets at Forest City Ratner Companies where he was responsible for the origination and structuring of construction and permanent debt, private equity transactions and joint venture partnerships.

Prior to Forest City Ratner Companies, Jeffrey worked for PricewaterhouseCoopers in the Management Consulting Services division, advising Fortune 500 clients on enterprise-wide process improvement initiatives.

Jeffrey is a graduate of Cornell University and received his MBA from New York University.

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Ashley Cotton

Ashley Cotton

Principal

Ashley Cotton

Principal

Ashley Cotton is a Principal at MAG Partners and oversees government affairs, communications, and marketing for the company.

MAG Partners spun out of a successful two-year partnership with the L&L Holding Company founders, called L&L MAG. As Managing Director for L&L MAG, Ashley lead public affairs for both companies including the 10 million square foot commercial real estate operating and development portfolio. She led the positioning and launch of Terminal Warehouse, a 1.2 million square foot historic warehouse to office conversion in Chelsea and TSX Broadway, a first-of-its-kind full-building promotional platform in the heart of Times Square.

Previously, Ashley served as Executive Vice President at Forest City Ratner Companies, managing all external relations for the company. In that role she oversaw media and community relations for complex development projects such as Pacific Park Brooklyn, Barclays Center and the Tata Innovation Center at Cornell Tech, as well as directing the marketing strategy for the company’s multimillion square foot residential, commercial and retail portfolio.

Prior to Forest City, Ashley served as a Senior Policy Advisor to New York City Mayor Michael Bloomberg in the Office of the Deputy Mayor for Economic Development.

Ashley is a graduate of Bowdoin College and received her Master in Public Administration from Columbia University. A Brooklyn resident, she serves on the board of BRIC Arts Media.

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Rob Willis

Rob Willis

Head of Construction

Rob Willis

Head of Construction

Rob Willis is the Head of Construction at MAG Partners, overseeing the building of the company’s mixed-use portfolio.

Previously, Rob was the SVP of Construction at Veris Residential, formerly Mack-Cali Realty Corporation, where he established and oversaw the construction department, and was responsible for the $100M repositioning of Harborside 1 in Jersey City, N.J.  Prior to Veris, Rob oversaw the design and construction team at HEI Hotels and Resorts, was the managing director of the New York City office of The John Hardy Group, and served as a Vice President of Design and Construction at Starwood Hotels and Resorts where he oversaw the pre-construction phase of the mixed-use St. Regis Bal Harbour Resort, and managed the design process for the creation of two new hotel brands. Rob also served as Vice President of Construction at Forest City Ratner Companies where he was the day-to-day project manager on the 42nd Street Retail-Entertainment Complex and the New York Times Building projects.

In addition to a Bachelor of Arts in English from Washington & Lee University, Rob earned a Bachelor of Science in Construction from Arizona State University and a Masters in Real Estate from New York University.

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David R. Smith

David R. Smith

Senior Developer

David R. Smith

Senior Developer

David R. Smith is a senior developer at MAG Partners.

He previously served as Senior Vice President – Development with Strategic Property Partners (SPP) on the 56-acre Water Street Tampa project, overseeing the development of three multifamily high-rise towers containing 1,300 residential units and 80,000 SF of retail.  He began his career in commercial real estate development in 1995 with Hines Interests LP in Washington, DC and later as Vice President of Development with Forest City Realty Trust and Brookfield Properties, working on large scale urban mixed-used projects in DC.  Over his 27-year career in real estate development, Mr. Smith has had direct oversight for all phases of the development cycle from masterplanning, land use and entitlements through design and construction, involving the delivery of over 700,000 SF of office space, 180,000 SF of retail, and 2,100 apartment units, valued at over $1.3 billion of real estate.

David earned his undergraduate degree from Duke University, receiving a BSE with a double major in Civil Engineering and Economics. After Duke, he began working in Technical Marketing with General Electric’s Lighting Business Group in Cleveland, OH and New York, NY. He attended graduate school at the University of Pennsylvania, receiving a Master of Architecture. After practicing architecture for three years with Francis Cauffman Architects in Philadelphia, PA, he moved to Evanston, IL to attend Northwestern University’s Kellogg School of Management, where he received an MBA majoring in finance and marketing.

Professionally, Mr. Smith is a member of the Urban Land Institute (ULI) and sits on ULI’s Urban Development and Mixed-Use Council (UDMUC). He currently serves as a Director on the Board of Trustees of University School, his alma mater in Hunting Valley, OH, on the Duke University Annual Fund Advisory Board, and on the Dean’s Council of the Stuart Weitzman School of Design at UPenn.  David also volunteers extensively with A Better Chance, Inc. (ABC), through which he received a scholarship to attend University School.

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Arion Alku

Arion Alku

Vice President of Accounting

Arion Alku

Vice President of Accounting

Arion is Vice President of Accounting for MAG Partners and oversees corporate and project accounting, including management of day-to-day accounting functions and financial reporting.

Prior to joining MAG Partners, Arion spent two years at Marx Realty leading accounting and financial reporting for their major retail asset. Before that, he worked for 6 years in public accounting conducting audits of financial statements and internal controls for some of the largest private and publicly traded real estate owners in the country.

Arion received his Bachelor of Science (BS) in Finance and Accounting from the University of Tirana, Albania.

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Danielle West

Danielle West

Vice President of Corporate Operations

Danielle West

Vice President of Corporate Operations

Danielle West is Vice President of Corporate Operations at MAG Partners and oversees general operations for the firm.

MAG Partners spun out of a successful two-year partnership with the L&L Holding Company founders, called L&L MAG where Danielle managed all operations. Previously, Danielle served as Executive Assistant to the President and CEO at Forest City Ratner Companies where she managed all of the President and CEO’s scheduling, meeting preparation, travel and expenses, fundraised on behalf of the President and CEO, and provided critical support in internal and external communications, staff coordination, and speaking engagements and appearances.

Prior to joining Forest City Ratner Companies, Danielle served as Senior Project Manager at Kinsella Media in Washington, DC where she oversaw dozens of nationwide media programs for litigation settlements, and gained international expertise implementing programs.

In addition, after graduate school, Danielle used her policy and organizational skills to oversee research publications and support legal and government relations teams at a prominent national nonprofit in Washington, DC.

Danielle is a graduate of Centenary College of Louisiana and received her MPP from The College of William and Mary. Danielle is also a certified Project Management Professional, has her aPHR certification, and is a Notary Public in the state of New York.

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Adam Freindlich

Adam Freindlich

Assistant Vice President

Adam Freindlich

Assistant Vice President

Adam Freindlich is an Assistant Vice President at MAG Partners and supports development and capital markets activities at the company.

Prior to joining MAG partners, Adam spent four years at Mack-Cali Realty Corporation, most recently as Associate of Strategic Initiatives. In that role, Adam facilitated potential capital opportunities, conducted strategic planning and administered the due diligence process on inbound offers. Adam has assisted in over $1 billion of acquisitions and ownership consolidations, as well as over $1 billion of financings.

Adam is a graduate of the Wharton School of Business at the University of Pennsylvania, majoring in Economics with concentrations in Real Estate and Finance.

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Lizzy Zevallos

Lizzy Zevallos

Assistant Vice President of Development

Lizzy Zevallos

Assistant Vice President of Development

Lizzy Zevallos is an Assistant Vice President of Development at MAG Partners.

Previously, Lizzy served as the Vice President of Portfolio Management at Maverick Real Estate Partners, where she created the strategic framework and probabilistic model used to underwrite $3+ billion of CRE loans. She also developed a portfolio management system, assisted in fundraising and investor relation efforts, and led the organizational planning for high priority projects.

Prior to Maverick, Lizzy interned at L&L MAG, the company from which MAG Partners spun out, and worked as a real estate development consultant. In addition, Lizzy was a professional dancer in NYC for several years.

Lizzy received her Bachelors of Arts at Middlebury College where she won the Christian A. Johnson Prize for Excellence in Architecture. She then received her Masters of Real Estate Development at Columbia University where she won the Buell Center Paris Prize and the William Kinne Travel Prize.

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Peter Turo

Peter Turo

Executive Assistant

Peter Turo

Executive Assistant

Peter Turo is the Executive Assistant to the Founder and CEO at MAG Partners and provides administrative support to the leadership team.

Prior to joining MAG Partners, Peter was a Membership Associate for Broadway productions and tours at Actors’ Equity Association. Previously, he worked as an Executive Assistant to the Finance Department at Forest City Ratner, where for five years he worked for and alongside many of his current colleagues. Peter also worked as an Executive Assistant for the Programming Department at Bravo TV. A playwright, he had a production in the NY Fringe Festival in 2018.

In addition to a BA in English and Education from Manhattanville College, Peter has an MS in General Education Studies from SUNY Albany (and taught high school English in Westchester County, NY) and a Teaching English as a Foreign Language Certificate (and taught at a language school in Milan, Italy).

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