The prospect of a Donald Trump presidency is drawing strong negative reactions from investors, Silicon Valley leaders, and celebrities on social media.

It’s safe to add another group to this list: the people who helped get Barack Obama elected President. As Trump continued to win more states and was on the cusp of victory Tuesday night, Democrats close to Obama started to concede defeat. The president’s former chief speechwriter, campaign manager, and senior adviser all took to Twitter to share their dissatisfaction and dismay.

Here’s what they had to say: