The association said it is preparing for new FDA approvals for therapies that treat central nervous system and muscular system diseases.
Aaron Sklar, formerly of Welltok, replaces Christine Armstrong, who moved on to a Silicon Valley health startup.
Incisive Health will next month welcome Francesca Scassellati Sforzolini as head of its Brussels office.
The agency appointed Sonja Foster-Storch, previously president of McCann Echo, to fill a role that has been vacant since 2016.
She is working on commercial partnerships for the point-of-care company.
Both positions were newly created as the agency has grown over the past year.
Calman is joining the technology company as VP of comms for Watson Health.
She will also continue to serve as president of the Astellas U.S.A. Foundation.
Former Edelman executive Mary Corcoran replaces Annalise Coady, who becomes president of W2O EMEA.
The CEO of Huntsworth's biggest and fastest-growing unit Huntsworth Health, which includes Nitrogen and Tonic Life, has departed after eight years.