He was research assistant at Stanford University at the time, after working at Washington University's Medical Libraries Group (having been recruited out of SUNY Buffalo for the summer).
[3] In 1997 Hassan founded FindMail, later renamed to eGroups.com, an email list management web site.
[4][5] In 2006 Hassan started Willow Garage, a robotics research lab and technology incubator.
The new company made a video-conferencing robot which saw use by figures such as Edward Snowden and President Barack Obama.
Suitable failed to become profitable and filed for bankruptcy in 2020, having lost $50 million between 2013 and 2018.