Mackenzie Kosut

Principal Startup Evangelist, Amazon Web Services (AWS)

Mackenzie is the Principal Startup Evangelist at AWS which allows him to be connected to inspiring startups across the globe. There is no shortage of new, impactful, and meaningful startups launching daily on AWS. Mackenzie focuses on discovering these companies, telling their stories, and connecting these teams to share engineering best practices.

Prior to joining AWS, Mackenzie was the Head of Technical Operations at Betterment, a robo-advisor startup based in NYC which manages over $4B in assets. Mackenzie was a founding engineer and Head of Technical Operations at Oscar Health, an insurance startup also based in NYC helping to grow the company to over 400+ employees and a $2.7B valuation. Before Oscar, Mackenzie was on the original Site Reliability Engineering team at Tumblr where he helped scale the infrastructure to 20B page views a month eventually selling to Yahoo! for $1.1B.

Mackenzie is on the Customer Advisory Council at Splunk, Advisor at Prevoty, and volunteers at the Black Hat Security Briefings in Vegas.