VOD service WALTER PRESENTS hired Jen Robertson as general manager in the US.

Lindsay Silberman was named senior editor on the digital team at Town & Country.

Lumos Labs hired Brandon Stander as vice president of marketing.

Tapad named Steffen Svartberg Kristiansen as head of its Nordic operations.

Tom Rossano and Elliot Blanchard have launched PRISM, a Brooklyn-based production company and creative studio.

Crossmedia tapped Greg Siano as managing director. Siano will lead all media planning and buying efforts for U.S. Bank. Most recently, Siano was executive vice president, director of media services at Tierney, where he worked for 19 years. While there, Siano was on the IPG shop's executive team and responsible for managing 20% of the agency's staff. Prior to that, he was a vice president, general manager at Jordan, McGrath, Case & Taylor, New York, where he managed the Novartis (Ciba/Sandoz) media planning and buying account from 1994-1997. While there, he also worked on Nestle USA, Reebok International, Tenneco Packaging …

TBWA\Chiat\Day Los Angeles promoted Renato Fernandez from executive creative director to chief creative officer. Fernandez has worked at the agency for six years and succeeds Brent Anderson, who moved to TBWA\Media Arts Lab to serve as chief creative officer. Fernandez will continue to lead creative on the agency's Gatorade account both stateside and globally, while also assuming creative leadership across the agency's roster of clients and overseeing the creative department. In 2011, Fernandez relocated from Brazil to Los Angeles to join the agency as associate creative director. In 2014, he took over creative leadership of the agency's Gatorade U.S. business …

Industry executive Jenna Watson is departing Razorfish to join digital marketing agency DAC Group as vice president of digital media services. In this new role, she will work with the senior leadership team to manage DAC Group's digital media team, contributing to the agency's value proposition in this continuously-evolving industry. Watson will be based in DAC Group's Chicago office and report to managing partner/CEO Norm Hagarty. Most recently, she served as vice president of search and media at Razorfish, leading the agency's central U.S. region media practice. She has also spent time at iCrossing, 360i and Rosetta.

Havas New York tapped Dan Goldstein as chief strategy officer, reporting to Laura Maness, CEO of Havas New York. Goldstein was most recently co-founder and chief strategy officer of Los Angeles-based db5, a quantitative research consultancy, whose clients include Audi, Google, Lyft, McDonald's, Twitter, and Ralph Lauren. Prior to db5, Goldstein was executive head of planning at TBWA\Chiat\Day, where he both built and led the strategy group, servicing clients such as Pepsi, Gatorade, Visa, Nissan, and Infiniti. Before that, he was group planning director at Goodby Silverstein & Partners in San Francisco, where he led strategy for Saturn, Motorola, and …