Apartment Living

Senior Executives

Ziv Cohen

President, Resmark Apartment Living and Resmark Impact Ventures
(310) 474-8400 ext 210

Mr. Cohen joined Resmark in 2001. With more than 20 years of real estate experience, he has been involved in the financing and development of over 15,000 residential units in the United States and Israel. Mr. Cohen’s responsibilities include overseeing the day-to-day operations and strategy for Resmark Apartment Living and Resmark Impact Ventures. Under his direction since 2011, Resmark’s multifamily division has acquired and developed over 5,000 units through joint venture and direct investments. Previously, Mr. Cohen established the firm’s Northern California Division in 2003 and successfully expanded its California operations. He also led Resmark’s emergence as a key player in the area of direct investments in land and housing in 2007.

Prior to joining Resmark, Mr. Cohen was a member of Fieldstone Communities’ management team, where he was responsible for land acquisition and entitlements, product design, construction management, and sales and marketing operations for multiple projects. Before arriving in the United States, he served as an operations manager for Peled Residential Construction in Israel and prior to that as an officer in the Israeli Defense Forces.

Mr. Cohen sits on the National Association of Home Builders Multifamily Leadership Board. He received a Bachelor of Arts in Political Science from Tel Aviv University, and a Master of Business Administration from Pepperdine University.

Susan Wilson

Executive Vice President, Investment Underwriting
(858) 676-0608 ext 101

Ms. Wilson has been with Resmark since 2005 and performs all the investment underwriting functions for the company. With approximately 40 years of experience in the real estate industry, her expertise spans the acquisition, entitlement, development, financing, leasing, management, and disposition of projects in the residential, multifamily, retail, office, industrial, land, and hospitality markets.

Before joining Resmark, she was Senior Vice President of Development for Price Legacy Corporation, a publicly traded REIT. Prior to Price Legacy, she spent 15 years as a private developer and asset manager in the San Diego, California area.

Ms. Wilson holds a California real estate broker license; and received a Bachelor of Science with an emphasis in Finance from San Diego State University.

Stephen O’Neil

Vice President, Investments
(703) 991-0860 ext 203

Mr. O’Neil joined Resmark in 2011 and is responsible for all aspects of business development, investment originations, underwriting, and due diligence for multifamily investments in the Mid-Atlantic region and Texas.

Previously Mr. O’Neil was a financial analyst and asset manager at IHP Capital Partners’ Washington, DC office, where he provided analytical support on investments in residential real estate joint-venture projects. His professional experience includes positions with Newmark Knight Frank and a Maryland-based private development firm.

Mr. O’Neil earned a Bachelor of Arts in History from Middlebury College.

Tina Lee

Senior Vice President, Asset Management
(949) 398-2066 ext 319

Ms. Lee joined Resmark in 2015. She is responsible for the asset management of a portfolio comprised of wholly owned and joint venture investments, with duties including partner relations and customer service, business plan development and execution, construction and operational oversight, lease-up and marketing strategies, disposition activities, and investor reporting. In addition, Ms. Lee is involved in the mentoring and training of Resmark team members, and in other special projects.

Prior to joining Resmark, she served as Portfolio Manager for Colony Capital, where she was responsible for managing approximately $1 billion of distressed and performing commercial debt and equity investments nationwide. Ms. Lee has over 20 years of real estate investment experience spanning underwriting and asset management of debt and equity investments in all commercial real estate types in positions at Shamrock Capital, Fremont Investment & Loan, American Realty Advisors, and Kilroy Realty Company.

She holds a Bachelor of Science in Business Administration with a concentration in Real Estate Management and Finance from California State University, Hayward.

Tim Sipowicz

Senior Vice President, Asset Management
(949) 398-2066 ext 302

Mr. Sipowicz joined Resmark in 2013. His responsibilities include multifamily development, value-add renovation, repositioning, and lease-up of wholly-owned development investments; strategy and business plan development; and investor reporting.  He also plays a key role in assessing revenue and operational assumptions in the origination of new investments and directs all asset management and property operations management for Resmark’s joint venture and wholly-owned multifamily investments.

Previously, he served as Vice President at WintenAmerica, the United States commercial real estate operation of Australia’s Winten Development. At Winten, he was directly responsible for all business operations and compliance, including the management of over 70 multifamily investments and disposition of commercial real estate assets. His role also included management of loans, annual operating budgets, financial models, asset repositioning and value-add improvements, and marketing and sales strategies. 

Before his tenure with Winten, Mr. Sipowicz was an underwriter, asset manager and special assets manager for Macquarie Investment Bank, where he established and maximized high-value business relationships and strategic alliances for successful operation and recurring business. His professional experience also includes positions at Union Bank and Fremont Investment & Loan.

He holds a Bachelor of Science in Business Administration with an emphasis in International Business, from California State University, Long Beach.