Gui Cavalcanti is a robotics engineer who co-founded Open Source Medical Supplies,[1][2] Artisan's Asylum,[3] and MegaBots Inc.[4] Cavalcanti studied engineering at Olin College.

[4][3] Cavalcanti initially worked at Boston Dynamics, before creating communal workshop Artisan's Asylum in Somerville, Massachusetts,[3][5] in 2010[6] which Wired magazine reported as being the world's largest hackerspace.

[7] Cavalcanti co-founded California based[3] MegaBots Inc.,[8] a company that built a giant fighting robot that appeared in the Guinness book of records[9] and on Jay Leno's Garage in 2018.

[3][4][10][11] In 2015 Cavalcanti uploaded a video to YouTube inviting the team that owned and operated Japanese fighting robot Kuratas to a duel.

[11] In 2020, in response to the COVID-19 pandemic, Cavalcanti co-founded Open Source Medical Supplies, an organization that collates and shared open source designs for medical supplies.