Discovery Communications has promoted Michelina Gauthier to senior vice president, talent business and legal affairs.

MediaBank has hired former Yahoo! executive Stephanie Dorman as vice president, support and training.

Delores Hively was named new business development and west coast representative for Brand New School.

Sean McDonald and Blaine van Bruggen have joined TAXI as director, digital strategy and digital account director, respectively.

Debra M. Coughlin has been named executive vice president /global chief marketing officer of Draftfcb. Since 2007, Coughlin had been at Citigroup as executive vice president / chief marketing officer for CitiCards and executive vice president branding and advertising for Citi NA's consumer brand.

David&Goliath named Patrick Almaguer and Blake Kidder as associate creative directors. The duo most recently worked at TBWA/Chiat/Day Los Angeles as associate creative directors.

DDB Canada Vancouver hired Michelle Kitchen as vice president, business director. Kitchen rejoins DDB Canada from Cossette West, where she spent the past 11 years as part of the senior management team.

SapientNitro hired John Carstens as a creative director in the Los Angeles office. Carstens joins SapientNitro from Leo Burnett in Chicago, where he was senior vice president, creative director, and served as the global lead on BlackBerry, and also contributed to Autonomy, Canon Australia, and Nintendo.

Buysight hired Phu Hoang as chief strategy officer.

SS+K hired Sanjay Rana as vice president, group director of digital and social strategy. Rana was formerly a senior digital strategist at Draftfcb.