Havas Health Network has added two senior leaders including Christina Stoddard as executive vice president, head of strategy, and Ayesha Walawalkar as chief strategy officer for Havas Lynx UK. 

Stoddard’s role is a new one at the agency, where she will focus on global integrated client work across all audiences including health care professionals, patients and consumers. She joins from agency 21 Grams where she was head of strategy. Earlier she served in planning roles at agencies including BBDO New York, Campbell Ewald and Deutsch.  

Walawalkar previously served as chief strategy officer, international brands, at Interpublic Group. Earlier she was CSO at MullenLowe Group UK. She succeeds Andrew Gardner, who left the agency. 

Separately, the agency announced the official launch of Havas Health in Taiwan, expanding the network’s presence across the Asia-Pacific region.