Medialab

Medialab has named Mike Hall as head of retention, bringing over a decade of experience in customer engagement and CRM. Hall will lead efforts to integrate customer acquisition and retention strategies, focusing on improving long-term marketing ROI for clients.

MiQ

Global programmatic media partner MiQ has appointed Zuzanna Gierlinska as its U.K. chief commercial officer. With over two decades of experience at companies like Oracle, Spotify, and Google, Gierlinska will lead MiQ’s commercial expansion and drive innovation in the U.K. market.

MSL U.S.

MSL U.S. has appointed Matt Zavala as chief creative officer. Zavala will oversee creative strategy and visual design, leveraging his expertise in earned media and content production to enhance the agency’s creative output for its global clients.

ParcelLab

ParcelLab, a global post-purchase experience platform, appointed Nick Bareham as svp of global sales. In his new role, Bareham will lead sales strategy and execution.

Prosek Partners

Chris Tropeano has joined Prosek Partners as a senior vice president to further build out the firm’s sports communications practice. His hire will help to grow and expand Prosek’s sports business practice.

R3

R3, an independent global marketing consultancy, has appointed Jane Lacher to lead its media consulting practice, as senior consultant and head of media.

Rapp UK

Precision marketing agency Rapp UK has promoted Sam Kennedy to evp, client leadership, and Jessica Vo to evp, global marketing orchestration.

StackAdapt

StackAdapt, a multi-channel advertising platform, has appointed Cassandra Hudson as chief financial officer. She positions StackAdapt to continue its rapid development in new markets.

TBWA\Chiat\Day New York

TBWA\Chiat\Day New York has named Dustin Tomes as its new chief creative officer. He will join TBWA on October 10 from Publicis Group’s Le Truc, where he was most recently evp, executive creative director. He will report to TBWA\Chiat\Day NY’s CEO Emily Wilcox.

Yes&

Designer Shannon Gaboriau has joined Yes& to lead the agency’s design efforts. She brings almost 20 years of experience, honed at agencies including Deutsch LA, Crispin Porter + Bogusky, and The Martin Agency.