Metalogix of the District appointed Kevin Adler strategic account executive.
Sigma-Tau Pharmaceuticals of Gaithersburg appointed Michael Minarich chief executive.
Thompson Greenspon of Fairfax appointed Beth McGinty audit senior, Alex Tuvin tax senior, Joshua Gannett audit supervisor, Helen Madorma audit supervisor, Mallory Werth audit supervisor, Gray Coyner audit manager and Melissa Ware human resources manager.
Associations and nonprofits
HarvestPlus of the District appointed Beverly Postma chief executive.
National Harbor Convention & Visitors Association appointed Bruce Gudenberg executive director.
Real Estate
AvalonBay Communities of Arlington appointed Susan Swanezy director.
Law and lobbying
KaiserDillon of the District appointed William Pittard and Jonathan Jeffress partners.
Orrick of the District appointed James Tierney partner.
Weil, Gotshal & Manges of the District appointed David Rybicki counsel.
— Compiled by Aaron Gregg
Send information about promotions, appointments and personnel moves in the Washington region to appointments@washpost.com.