From managing self, to managing teams

Cosmin leads engineering at Brex, building financial technology to accelerate entrepreneurs. Prior to Brex, he was at Stripe, leading financial infrastructure teams, building Stripe Terminal, and establishing engineering teams globally. His career started at Microsoft, launching Azure and Office365.

Rahul Iyer is the head of engineering for the Terminal business unit at Stripe. In the past, he was head of the Production Platform organization at Airbnb, and part of the initial team that built and scaled Messenger at Facebook. While he """"fell into"""" management during his time at Facebook, he has since fallen in love with it and considers himself a student of the craft. Over his management career, Rahul has scaled up teams multiple times, going from managing a small team of engineers to managing managers and managers of managers.

Outside of work, he spends most of his time chasing after his 2 year old son and is exploring the applicability of management techniques to parenting.

Preeti is EVP, Head of Engineering at Honor, where she leads the development of innovative solutions for in-home care, focusing on client and care professional acquisition and retention. With experience spanning tech giants like Adobe and innovative startups like Carta, she has consistently transformed industries through scalable engineering solutions. At Honor, she has driven operational efficiency through workflow mechanization and GenAI adoption, making in-home care more affordable and reliable. Preeti's people-centric leadership philosophy—"If you don't have a passion for people, you have no business leading them!"—drives her commitment to building collaborative environments where teams thrive. She champions iterative development, continuous learning, and breaking down silos to deliver impactful business outcomes.

Geddes Munson is the Senior Director of Partner Engineer at Affirm, where he is responsible for Sales Engineering, Integrations, Technical Account Management, Merchant Support, and Channel Development. Prior to Affirm Geddes managed the customer facing technical teams at Mixpanel, MemSQL and EasyPost.

When he’s not worrying about NPS scores, keeping client integrations on schedule or the latest top customer’s feature request, you will probably find him with his family in one of the many playgrounds and parks in San Francisco’s Outer Sunset.