DALLAS — TrailRunner International has appointed Teresa Henderson as a Texas-based managing director. Henderson is a communications strategist specializing in complex and highly regulated industries such as energy, natural resources, chemicals and consumer packaged goods. Her previous roles include vice chair of client strategy at BCW, where she also served as Southwest market leader, corporate and financial communications managing director, president of the Midwest/Southeast region and COO for North America.

CHICAGO — Zapwater Communications has promoted Jennifer Lake from executive VP to chief strategy officer. In her expanded role, Lake will lead new business development across the agency's three offices and act as a strategic advisor, identifying opportunities for service expansion to further enhance the agency's client portfolio.

GREENBRAE, CA — Waterhouse Brands has added members to its leadership team as part of the agency's growth strategy. David Mickle, previously with Havas, has joined as chief client officer, focusing on product and disease communications, team development and customer success. Ben Hewett, appointed as managing director of creative and digital services, will collaborate internally and externally to implement technology and multimedia solutions for brand enhancement. Both Mickle and Hewett will be part of the agency's expanding leadership team alongside Meredith Kiernan, head of client services, who will continue to oversee corporate and employer brand strategy and external relations efforts.