Roles

The National Association of Home Builders (NAHB) Research Center has named Michelle Desiderio director of Green Building Programs.

Tsoi/Kobus & Associates (TK&A) announced that Jocelyn Frederick, AIA, ACHA, OAA, LEED AP has joined the firm as a principal.

The U.S. Green Building Council (USGBC) has appointed Scot Horst to the position of senior vice president, LEED, a new position in the organization.