Our Team

Arch boasts a diverse and experienced executive team with backgrounds in real estate, finance and development.

Our Team

Arch Companies’ executive team is comprised of a diverse pool of experienced real estate, financial and development professionals.

The combination of each team member’s individual backgrounds and expertise results in a dynamic, multifaceted and interdisciplinary approach to real estate investment that has withstood the test of multiple market cycles and shifting economic conditions

The team has executed numerous investment strategies including repositioning, rehabilitations and ground-up development projects. Collectively, the team has sourced, invested, and operated in excess of $2 billion of real estate across the United States.

Jeffrey Simpson

Managing Partner
Member of the Executive Committee

Jeffrey oversees all operations, creates the strategic vision, and manages all investment decisions at Arch Companies.  Given his active investment style, Jeffrey has lead every part of the real estate lifecycle including acquisition, development, financing, marketing, lease-up, operations and dispositions.

Jeffrey was previously the Chief Executive Officer at Greystone Development and previously held various positions at Equity Office Properties and Jones Lang LaSalle. He holds a Master of Science in Real Estate Development and an Advanced Degree in Finance, both from New York University’s Schack Institute, and a Bachelor of Science degree in Engineering from the University of Delaware.

Jared Chassen

Member of the Executive Committee

Jared is instrumental to sourcing new investments, managing investor relationships, and driving business development at Arch Companies. He is well versed in real estate transactions and has executed various deal structures including joint ventures, preferred equity and mezzanine transactions. Involved in all aspects of deal profit realization, he has also led new development projects through conception, underwriting, project design, leasing (including residential and commercial spaces) and operations.

Jared was previously the Director of Acquisitions at Greystone Development and previously held various roles in development and construction management in New York. He holds a Master of Science in Real Estate Development and Bachelor of Science degree in Business Administration, both from Nova Southeastern University. He also has an active New York Real Estate broker’s license.

Tristan Last

Managing Director
Member of the Executive Committee

Tristan’s responsibilities include structuring and negotiating potential investments, raising capital, overseeing asset management and investor reporting, and undertaking new strategic initiatives at Arch Companies. She has a diverse real estate background that includes acquisitions, investment banking, asset brokerage and urban planning.

Tristan was previously the Director of Investments at Greystone Development and previously held various roles at Brookfield Financial, Health Care REIT and Wikstrom Economic & Planning Consultants. She holds a Master of Business Administration from Cornell University and an Honors Bachelors of Science degree in Urban Planning from the University of Utah where she graduated Summa Cum Laude.

Michelle Miller

Member of the Executive Committee

Michelle focuses on underwriting new investments, structuring transactions across the capital stack, and managing investment performance at Arch Companies. She has a comprehensive background in finance and real estate including acquisitions, asset management and corporate finance. Michelle was previously an Investment Associate at Greystone Development and previously held various roles at HSBC.

She holds a Master of Business Administration, with a focus on real estate and finance, from the Kellogg School of Management and holds a Bachelor of Arts degree in Economics, Marketing and American Cultural Studies from Washington University in St. Louis.

Jason Paul

Partner, Arch Asset Management

Jason is the head of Arch Asset Management, a subsidiary of Arch Companies focused on asset management activities for Arch Companies and third-party real estate owners. He is actively involved in the development of each asset’s business plan and responsible for its execution post-closing. Jason’s expertise in real estate operations is instrumental to operational due diligence and profit realization. His team oversees all property level management and budgeting, as well as coordination with all internal and external marketing, construction and development professionals engaged on each deal.

Prior to Arch Asset Management, Jason was a partner at Sugar Hill Capital Partners, held a senior property management role at G-Way Management, LLC where he specialized on multi-family and mixed-use residential properties, and had over ten years of experience with a family real estate company. Jason holds a B.S. in Psychology from Hunter College of The City University of New York.

J.P. Rosenbaum

Partner, Arch Development

J.P. Rosenbaum is the head of Arch Development, a subsidiary of Arch Companies focused on overseeing development management in Florida for Arch Companies and third-party development and construction consulting services for real estate owners. J.P.’s diverse development and construction background is instrumental to his ability to execute on complex development sites. He has development and construction experience across a wide range of asset types, including ground-up high-rise multi-family, big box retail projects, and office and retail tenant build outs.

J.P. was previously Principal of PEBB Capital’s development and construction consulting vertical. Prior to PEBB, he was Vice President of Development at Greystone Development where he managed development and construction for all of its ground-up multi-family assets in South Florida, totaling over1 million square feet. He holds a Master of Science in Construction Management from New York University and a Bachelor of Arts in Communications from the University of Michigan.

Yechiel Lehrfield

Director of Accounting

Yechiel oversees Arch’s accounting department including both corporate level accounting and portfolio wide financial operations. He is responsible for overseeing financial reporting, budgeting, payroll, cash management, AR/AP, and loan draws for development and rehabilitation projects. He is continuously developing, implementing, and maintaining internal controls to ensure companywide compliance.

Prior to joining Arch, Yechiel served as financial controller at Lantree Development and Northwind Group, a real estate firm focused on value-add assets in Manhattan. Yechiel received his Bachelor’s degree from Farleigh Dickinson University with concentration in Finance/Accounting.  He also completed additional courses at Brooklyn College in business management and accounting to additional credits required for CPA licensure.