Sean Cahill

Principal, Managing Director
Private Equity Sales & Leasing Tenant Representation Occupier Services

Sean is a member of the Tristate Leadership Team at Avison Young and has management responsibility for the Fairfield/Westchester office. Sean is a member of the Private Equity Advisory Group & Occupiers Solutions Group focused on both local and national advisory pursuits, concentrating on financial services, private equity, and family office. Sean possesses a broad base of experience in all facets of the real estate spectrum with expertise in large critical facilities, transaction management, proactive lease negotiations, and corporate capital markets for both office and industrial property types. 

Specialties include strategic planning using Avison Young’s A.I. driven AVANT business intelligence applications in coordination with Avison Young’s Global Innovation Team to create market-leading technology solutions that use custom data analytics that enables occupiers to solve their complex real estate strategies and deliver real-time market perspectives. 

Affiliations and accreditations

  • Member of the Avison Young Tristate Executive Committee
  • Avison Young Circle of Excellence Top Producers (2020-2022)
  • Member, CoreNet Global
  • Member, Real Estate Finance Association (REFA)
  • Member, Greater Norwalk Chamber of Commerce
  • HubSpot CRM Certification 
  • AVANT Integration Leader Fairfield/Westchester 

Community leadership

  • Chairman, Board of Directors, Grassroots Tennis & Education (2020-2023)
  • Vice Chairman, Board of Directors, Grassroots Tennis & Education (2017-2020)
  • Board of Directors, Grassroots Tennis & Education (2014–2023)
  • Member/Supporter, of the International Tennis Hall of Fame 
  • Member, US Sailing Association
  • Member, USTA (2009-2023)
  • Member/Supporter Sail Newport Foundation


1000 Lafayette Boulevard
1000 Lafayette Boulevard
Bridgeport, CT 06604
Office For Lease
25 Perry Avenue
25 Perry Avenue, Norwalk, CT
Norwalk, CT 06850
Industrial For Lease
100 Trap Falls Road Ext
100 Trap Falls Road Ext
Shelton, CT 06484
Industrial For Lease
Wilton Campus 11-15 River Road
11-15 River Road
Wilton, CT 06987
Office For Lease
5 River Road
5 River Road
Wilton, CT 06897
Office For Lease