Square Inc. Co-founder Tristan O'Tierney Passes Away At 35

(RTTNews) - Square Inc. co-founder Tristan O'Tierney passed away on February 23rd, 2019 in Ocala, FL at the age of 35.

Tristan is survived by his parents, Pamela Tierney of Cypress, Texas and Mark Tierney of Irving, Texas, his daughter Rumi Ari O'Tierney (age 3) of San Pablo.

"I don't have an official diagnosis...... it was probably related to his addiction. A doctor called her to say Tristan had kidney failure and was under cardiac arrest,..." his mother, Pamela Tierney, reportedly said.

Tristan was born on August 1st, 1983 in Adak, AK and lived in several states before moving to Syracuse, NY. He graduated from the Rochester Institute of Technology in 2008 with a degree in Computer Science.

After moving to the Silicon Valley, Tristan began working for Yahoo! as an engineer on the Yahoo! Messenger Team. He later went on to hold positions at Apple, VMware, and Tapulous.

O'Tierney was hired to develop Square's original mobile payment app in 2009 and stayed until 2013, when he left the San Francisco company co-founded by Twitter Inc.'s Chief Executive Officer Jack Dorsey.