[2] In 2006, a group of engineers recognized the need for new and improved methods of pumping insulin and incorporated as Phluid, Inc.[3] In 2007, Kim Blickenstaff joined the organization as president and CEO, bringing his philosophy of using market research as the inspiration for product development and started on the development of the t:slim Insulin Pump.

[5] Tandem Diabetes Care felt that incorporating enhanced ease of use and attractive design—often associated with consumer electronics development—would also encourage more patients to consider the clinical benefits of insulin pump therapy.

[8] In February 2019, the company announced that CEO Kim Blickenstaff would transition to a newly created position of Executive Chairman of the board of directors.

John F. Sheridan (previously COO) will succeed Mr. Blickenstaff, assuming the role of President and CEO effective March 1, 2019.

[10] In February 2013, the company received FDA clearance to market the t:connect Diabetes Management Application, a Mac and PC-compatible data management application that provides t:slim Pump users and their healthcare providers a way to display data from the pump and supported blood glucose meters on a cloud-based platform.