Chess Communications Group appointed Todd E. Kogan as director of business development for the East Baltimore-based agency.
The Artemis Group named Louise L. Hayman to the staff of the Annapolis public affairs consulting firm as a senior consultant. She served as director of communications for former Maryland Comptroller William Donald Schaefer.
PRO Physical Therapy appointed Steve Montalvo as director of its Havre de Grace facility.
Mosaic Community Services named Oleg Tarkovsky as director of its mental health clinics in Timonium, Randallstown and Catonsville.
Yaffe & Company Inc., the Towson-based consulting firm, appointed Alexander C. Yaffe as president and chief operating officer.
Hess Construction Co. appointed Michelle Honey as vice president for the higher education project group of the Gaithersburg construction firm.
CSD promoted Doug Bissell to a vice president of the Baltimore-based architectural firm.
Planned Systems International Inc. named Gerald Pizer chief operating officer of the Columbia-based provider of information technologies solutions.
Wallace, Montgomery & Associates LLP promoted Kenneth M. Johns to associate at the Towson civil and environmental consulting engineering firm.
Manekin LLC appointed Ted Swingle as a sales and leasing representative for the Columbia-based property management and development firm.
First Republic Mortgage named Mandy Shepherd a mortgage adviser. She will represent the Waldorf offices of the Annapolis-based company.