Harbor Picture Company hired Corey Stewart as chief technology officer.

The Door: An Idea House has expanded its Los Angeles operation with Caroline Bubnis, executive vice president, who will oversee the company’s west coast presence.

Aki Technologies named Jason Shu as senior vice president of data science.

Pinckney Hugo Group hired John Haberstock as vice president of account services, healthcare.

Return Path promoted Daniel Incandela to chief marketing officer.

Reflektion named Rob Neibauer as vice president of sales.

OpenX named Dipanjan Chattopadhyay as vice president of product for core exchange and Igor Polovinchik as vice president of technology operations.

FRED & FARID Paris named Julien Delatte as head of strategy & business intelligence.

BBDO San Francisco promoted Matt Miller to chief creative officer.

Kitty Brandstater, Kristi Faulkner and Sandy Sabean have launched Essentially, a New York strategy firm that will advise healthcare organizations and health-tech brands on how to build strategic empathy into their communications and patient interactions.