
Brennan Castellanos
Senior Financial Systems Architect
Brennan has worked with over 200 businesses to implement automated financial workflows. He started as a traditional accountant in 2018 before discovering how technology could eliminate hours of manual work. His specialty lies in connecting disparate financial tools to create seamless automated processes. What sets Brennan apart is his ability to explain complex automation concepts using real-world analogies that stick with students long after the session ends.