Mastercard named Andres Siefken as executive vice president of marketing and communications for North America.

Warschawski added Brandon Chiat as a senior associate.

Kaj Larsen will join NowThis as senior correspondent and producer, to oversee the development and production of both short-form and longer-form news and docu-series, which he will also host.

Alex Blum and Andrea Ruskin have launched Blum Consulting Partners, a production consulting firm created to provide brands, agencies and their creative partners with the tools to navigate the advertising industry.

KIND Financial named Dave Peck as its first chief marketing officer.

Spafax named Gianfranco Caputo as senior media sales manager.

Gage added Eric Paradis of director of customer experience.

Intersport added Tom Buerger as senior vice president, strategic partnerships.

Rajesh Fatnani joined Taptica as general manager for India and Southeast Asia and Dmitry Goldshtein as director of business development in Russia and Eastern Europe.

Jennifer Dorian was promoted to executive vice president of Turner Portfolio 360 Brand Strategy.