Wholesale Trading Co-Op (WTC) has expanded its wholesale professional and leadership group by adding Erik Matson, Bruce Norris, Kenyon Hall and Joe Hayes as its partners.

The four new partners will collaborate with retail broker members and specialty insurance markets to roll out the WTC model across the US, said the company.

WTC said that Matson joins it as a managing partner, and will be based in New Jersey and will serve as the East Coast director working with WTC managing partner Les Ross, based in San Francisco, California.

Norris joins the company as a partner from retail insurance broker EPIC. He will be based in the San Francisco Bay area.

In addition, Hall joins the company as a partner in Atlanta from EPIC, where he was a principal specializing in design, placement and management of complex property insurance programs for companies facing catastrophic exposures.

Hayes also joins WTC as a partner and will be based in the firm’s New York office. He joins the company from Crump – Tri City Brokerage of New York, where he most recently served as vice president and broker.