Senior Officers

Donald E. Loeb, Chairman and Co-Founder

Donald is Chairman and co-founder of Avanti Properties Group. For more than 30 years, he has been on Avanti’s Investment Committee and has overseen Avanti’s investor relations, finance, and administration. Donald is also Chairman of Avanti Investment Advisors, an SEC-registered investment advisor.

Donald sits on the Dean's Advisory Council of the Schulich School of Business at York University and on the Advisory Board of Schulich's Program in Real Property and Infrastructure. Donald also serves as a director of the offshore funds of Bardin Hill Investment Partners of New York. He is a past Board Chairman and Director of Humber River Hospital, where he was most recently Chairman of its Building Committee and responsible for overseeing the construction of North America's first fully digital hospital, a $1.7 billion, 656 bed, 1.8 million square foot facility in northwest Toronto.

Donald received a JD from Osgoode Hall Law School at York University and an Honors BA in business administration from the Richard Ivey School of Business at Western University.

Marvin Shapiro, Chief Executive Officer

Marvin, CEO of Avanti Properties Group and President of Avanti Investment Advisors, Inc., joined Avanti in 1990 as an acquisitions partner to help capitalize on the land investment opportunities presented by the real estate downturn of the early 1990s. In addition to his acquisitions and dispositions activities, Marvin coordinates Avanti’s strategic planning and financing activities. Marvin has over 30 years of experience in land investing and lending, including extensive joint venture negotiations.

Prior to joining Avanti, Marvin was a senior lending officer for Chemical Bank and was their real estate liaison with Texas Commerce Bank. He also worked for the Harlan Company, a real estate consulting and development firm.

Marvin has an MBA in finance from the Stern School of Business at New York University and received a BA with Honors in economics from the University of Michigan.

Andrew Dubill, President

Andrew is President of Avanti Properties Group and Executive Vice President of Avanti Investment Advisors, Inc., having joined Avanti in 2008 as an acquisition officer. He was previously the staff director of the National War Powers Commission, co-chaired by former Secretaries of State James Baker and Warren Christopher, and an associate with the law firm K & L Gates.

He has a JD from the University of Virginia and an AB from Princeton (Magna cum laude).

Jennifer Keating, Director of Investor Relations

Jen joined Avanti's investor relations group in September 2015. Prior to joining Avanti, Jen was a Managing Director on the institutional sales team at Angelo, Gordon & Co., where she oversaw the firm's endowment and foundation client relations and sales.

Jen previously worked in the institutional sales groups at Credit Suisse and JP Morgan. She holds a BA from Bucknell University.

Ethan Siller, Senior Vice President

Ethan is Senior Vice President, Operations of Avanti Properties Group and Vice President, Secretary and Treasurer of Avanti Investment Advisors, Inc., an SEC-registered investment adviser. He has been a member of Avanti’s senior management team since 2014, focusing on operating strategy and administration across the firm’s real estate, capital markets, and finance functions. Prior to joining Avanti, Ethan practiced securities law in the capital markets group of the international law firm Shearman & Sterling LLP.

Ethan holds a JD from Stanford Law School, an MA from Yale University, and a BA from Columbia University.

Ryan Lefkowitz, Senior Vice President

Ryan joined Avanti in 2013 as an acquisitions officer. He has over 15 years of experience in land acquisition and development in several Florida markets, with a primary focus on residential planned communities. In addition to homebuilders, he has worked with retail, office, and industrial builders and developers.

Prior to joining Avanti, Ryan was a development manager with Lamm & Company Partners, a commercial general contractor and development firm. Prior to Lamm, he was an officer with Leeds Holdings Southeast, a privately held real estate development firm. He has also worked in finance, in Chicago for Bank One's Commercial Banking Group, and in New York for Banco Santander's securities group.

Ryan received a BA in economics and history from the University of Michigan.