Sean Lavin has joined Boston-based retail real estate investment management firm Unison Realty Partners’ acquisitions team as an associate.

In his new role, Lavin will be involved in sourcing, underwriting, performing due diligence and closing new investments as the firm looks to expand its presence along the East Coast.

Lavin most recently served as an investment analyst at Cabot Properties and, prior to that, as an asset manager at Boston…