Meet Our Experts

William Aiello

Senior Vice President | Harrisburg

300 N. Second Street, Suite 1203
Harrisburg, PA 17101
United States

Office: +1 717 943 1917


William joined Colliers International in 2010. Prior to joining Colliers, William was co-founder of Crossroads Commercial Realty, a boutique commercial real estate firm.  He was a Senior Vice President at CB Richard Ellis for 8 years. 
Drawing on his 20+ years in the commercial real estate industry, William is well-established in the Mid Atlantic Northeast US markets. He is client-service oriented and specializes in investment sales, particularly Retail, Industrial and Multifamily. He has extensive expertise in exclusive tenant representation, development, and consulting for mixed use development projects.
In connection with his primary focus on investment sales, William is a member of the two relevant national Colliers practice groups: Colliers Investment Services Group (CISG) and Colliers Asset Resolution Team (CART).


Benchmarks of William’s successful career include the development of 5+ million SF of new retail shopping centers, and investment sale totaling more than 750 million dollars.
  • In 2002, Hillwood entered into the Eastern PA market along the I-81/78/83 corridors. William represented Hillwood in 4+ million square feet of ground up industrial warehouse development.
  • Early in his career William secured the exclusive tenant rep account for Target stores in Pennsylvania in addition to a similar assignment for Super Walmart
    over most of PA.
  • For seven years at CB Richard Ellis, William was a Senior Vice President for the retail division.


Investment Services / Capital Markets, Retail


Calhoon University of Nautical Technology - Marine Engineer’s Degree
United States Coast Guard (USCG) 2nd Engineers License
United States Navy Reserve (USNR) Retired Lieutenant
CCIM Candidate Member


Affiliations & Memberships

Colliers Investment Services Group (CISG), Colliers Asset Resolution Team (CART), International Council of Shopping Centers (ICSC), NRA/PRA Greater Harrisburg Board of Realtors (GHAR), Member TriState Realtors® Commercial Alliance, Member Knights of Columbus

40.26178900 -76.88560900

Contact William