Our Company

MaryAnne Gilmartin

Founder & Chief Executive Officer

MaryAnne Gilmartin is the Founder and Chief Executive Officer of MAG Partners, a WBE-certified real estate development company she founded in 2018.

Today, the company has a $1B development pipeline in New York, including Ruby at 243 W. 28^th Street, a mixed-income residential building designed by COOKFOX that reached 98 percent occupancy in Summer 2024. Two other luxury residential buildings, Mabel at 335 Eighth Avenue and Anagram Turtle Bay at 300 East 50^th Street, began leasing in Summer 2025.  In partnership with Sagamore Ventures – the family office of Under Armour Founder and CEO Kevin Plank – Goldman Sachs Asset Management, and MacFarlane Partners, MAG Partners is leading the development of Baltimore Peninsula, a 235-acre masterplan in Baltimore, MD. MAG Partners is also managing the lease up and operations of 1.1M SF of office, retail, and residential development located on a prime waterfront location.

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. MaryAnne also served as Chair of the Board of Directors and interim Chief Executive Officer of Mack-Cali Realty Corporation.

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, and a member of the Executive Committee and Board of Governors of The Real Estate Board of New York.  At Columbia University, MaryAnne is part of the Industry Advisory Board of the MS Real Estate Development Program as well as a member of the real estate advisory board in the Center for AI in Business Analytics & FinTech.  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, and is currently chair of the ESG, Diversity, Equity and Inclusion Committee.

Arion Alku

Vice President of Accounting

Arion Alku 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.

Rob Boidock

Senior Vice President of Operations

Rob Boidock is the Senior Vice President of Operations at MAG Partners and oversees various departments and teams in Baltimore including finance, accounting, horizontal property management, JLL property management, legal, and operations.

Rob joins us from Sagamore Ventures, where he served as their Director of Asset Management and Reporting.  Rob joined Sagamore Ventures in 2018 with a focus on accounting operations and oversight of the firm’s real estate development investments, including the Baltimore Peninsula project and Sagamore Pendry Baltimore hotel.  While at Sagamore Ventures, Rob represented ownership in closing on the initial 1.1 million square feet of new construction at Baltimore Peninsula, including the issuance of $137 million of TIF bonds.

Prior to his time at Sagamore Ventures, Rob worked for Realterm, an industrial real estate investment manager, as their Director of Corporate Accounting. At Realterm, Rob led accounting and financial reporting for corporate operations, non-core real estate investments and international joint ventures.

Before joining Realterm, Rob worked for Windsor Healthcare Equities and Morgan Stanley.  Rob began his career at Ernst & Young in assurance services focusing on Private Equity, Government and Healthcare clients.

Rob received his bachelor’s degree in accounting and finance from Purdue University and is a Certified Public Accountant.

Ruo Chen

Vice President of Asset Management

Ruo Chen is a Vice President of Asset Management at MAG Partners and oversees the financial and operational performance of investments.

Prior to joining MAG Partners, Ruo was at L+M Development Partners and L+M Fund Management, where she managed a portfolio of around 5,500 units of affordable, preservation, and market rate assets. Earlier in her career, Ruo worked at Omni NY, managing LIHTC and Section 8 properties in New York, Massachusetts, and Rhode Island. Ruo earned a Bachelor of Architecture with a Minor in Piano Performance from Syracuse University and a Master of Science in Real Estate Development from Columbia University.

Ashley Cotton

Principal

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

Previously, as Managing Director for L&L MAG, Ashley led public affairs for both L&L MAG and L&L Holding Company, 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.

Prior to L&L MAG, 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.

Adam Freindlich

Vice President

Andie Krefsky

Assistant Vice President of Construction

Andie Krefsky is the Assistant Vice President of Construction at MAG Partners. Andie is responsible for supporting in the oversight of the construction of the development portfolio and manages contractor performance and design consultants to ensure a successful and timely delivery of each asset.

Previously, Andie served as a Senior Project Manager at Savanna, where she oversaw the design and construction process for multiple commercial and residential development projects within Manhattan, Brooklyn and Long Island City. She executed over $300+ Million dollars and 2+ Million SF worth of capital improvement, building infrastructure and tenant fit out space, within the vertically integrated real estate investment management fund. She has extensive experience in direct tenant/owner communication, leasing negotiations, budgeting, and design oversight.

Prior to Savanna, Andie served on the construction team for the 99 Hudson St project in Jersey City at Plaza Construction.

Andie earned her Bachelors of Science in Architecture from Roger Williams University.

Kevin Paredes

Senior Accountant

Kevin Paredes is a Senior Accountant for MAG Partners and works on corporate and project accounting, including performing day-to-day accounting functions and financial reporting.

Prior to joining MAG Partners, Kevin worked for nearly two years at Silverstein Properties as Property Accountant for mixed use residential and commercial properties.

Before that, he worked in public accounting as Supervisor, providing accounting and tax compliance services for a variety of clients.

Kevin received his Bachelor of Science degree in Business Administration with a major in Accounting from the Zicklin School of Business at Baruch College and is an active Certified Public Accountant since 2018.

Jeffrey A. Rosen

Managing Principal & Chief Investment Officer

Jeff Rosen is the Managing Principal and Chief Investment Officer at MAG Partners.

As the Managing Principal, Jeff spearheads corporate matters and leads day to day operations across the entire company and portfolio. As the Chief Investment Officer, Jeff drives capital raising, oversees acquisitions and leads pipeline development.

Jeff is one the founding members of MAG Partners and has been instrumental to acquire, capitalize and secure debt and equity financing for all the company’s ground up development portfolio including Ruby (241 West 28th Street), 300 East 50th Street, and 335 Eight Avenue. Jeff also leads MAG Partner’s efforts in sourcing, negotiating and managing our strategic joint venture partnerships in New York and Baltimore.

Prior to joining MAG Partners, Jeffrey spent 13 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.

At Forest City, Jeff also served as a Senior Vice President of Finance and Capital Markets where he was responsible for the origination and structuring of construction and permanent debt and joint venture partnerships for Forest City’s operating portfolio and developments such as 8 Spruce Street and East River Plaza.

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

Aida Stoddard

Senior Vice President of Development

Aida Stoddard is Senior Vice President of Development for MAG Partners and she works on the company’s ground up development projects.

Aida has been working in the construction, design, and development fields in New York for more than twenty-five years. Prior to joining MAG Partners, Aida was Managing Director of Development at Gemdale USA, and has also previously worked with Jonathan Rose Companies and at Twining Properties where she managed development teams and worked on the development of multi-family and mixed-use buildings.

Aida has a background as a licensed architect, and started her career in development by launching Bright City, the first all-women owned developer to be financed by HSBC in New York. Bright City developed some of the first sustainable condominiums in Brooklyn. Aida is an active WLI/ULI member, having served on the WLI-NY steering committee and is currently a member of the New York Mixed-use Development Product Council and NY Awards for Excellence Committee. Aida received her BA from Columbia College and M. Arch from Columbia University GSAPP.

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).

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.