Quick answers
Did Daniel Tuba D'Souza co-found Crescendo?
Yes. BetaKit's report on NEXT Canada Venture Day (17 August 2018) says Crescendo was "co-founded by Sage Franch, Daniel D'Souza, and Stefan Kollenberg" and won the Next 36 program's Outstanding Venture prize that day. Techstars' startup profile of Crescendo (27 July 2020) repeats it: "Founded by Sage Franch, Stefan Kollenberg, and Daniel 'Tuba' D'Souza", and places the company in the Techstars Montreal AI Accelerator 2018 cohort.
What was Daniel Tuba D'Souza's role at Crescendo?
Operations, then product. His Big Data Toronto 2018 speaker bio (archived page, read 2026-10-24) lists him as "Co-Founder & COO, Crescendo" and says he was "building AI tools to help companies and employees navigate workplace discrimination". Crescendo's own team page listed him as Chief Operating Officer in October 2019 and as VP Product in November 2020 (Wayback captures, read 2026-10-24); Sage Franch was CEO on both. Crescendo's site crescendowork.com now returns a Squarespace "Website Expired" page (checked 2026-10-24); no press report on the shutdown was found.
What did Daniel Tuba D'Souza do before Crescendo?
He ran a student accelerator. The Big Data Toronto 2018 bio (read 2026-10-24) says he was "the Founder of the HacktheCity Startup Accelerator based out of McMaster University" and was then one of the young founders selected for the Next 36 program in Toronto. The same bio explains the nickname: he had carried "Tuba" for 14 years "as an ode to his chubby childhood".
Has Daniel Tuba D'Souza spoken at TechTO?
No. Crescendo's TechTO connection runs through co-founder Sage Franch, who spoke at TechTO in June 2019 about how building the company helped her rebuild her life. D'Souza moderated a session at Big Data Toronto on 13 June 2018, a different event. No interview, podcast or press profile about him was found (searches run 2026-10-24).