Twitter's 2016 'Brain Drain' In Review

Twitter IncTWTRsuffers from "brain drain"

Here is a summary of some of the notable executives who left Twitter throughout 2016.

Katie Jacobs Stanton And 3 Others

Katie Jacobs Stanton, Twitter's head of media, left the company in January of this year. She went on to assume head of marketing for gene startup company, Color Genomics, an unusual role for the executive who held prior stints at Google (Alphabet Inc GOOG GOOGL and Yahoo! Inc. YHOO and served on President Obama's social-media team during his first term.

In conjunction with Jacobs Stanton's departure, Twitter also announced that Alex Roetter, a key products executive; Kevin Weil, head of human resources; and Skip Schipper, an executive who oversaw Twitter's media partnerships, also resigned.

COO Adam Bain

Adam Bain, Twitter's chief operating officer confirmed in a Tweet on November 9 that after six years of a "once-in-a-lifetime run" at Twitter, he is now "ready to change gears" and take a new job outside of the company.

Adam Messinger, Josh McFarland

McFarland will be joining Greylock Partners, a major Silicon Valley venture capital firm but it is not clear what is in store for Messinger.

Anthony Noto, Twitter's chief financial officer was named as a replacement for Bain as the company said it will seek a new officer to replace Noto.

On December 20, Twitter Chief Technology Officer Adam Messinger along with the company's vice president of product, Josh McFarland, disclosed they will be leaving the company.