Allan Leinwand is the CTO at ServiceNow. Over his career, he has built a reputation for managing the world’s most demanding clouds. In his role at ServiceNow, Allan is personally responsible for overseeing all technical aspects and guiding the long-term technology strategy for the company. He is involved in building and running the ServiceNow Enterprise Cloud--the second largest enterprise cloud computing environment on the planet. During college, Allan knew he wanted to be involved in tech, though he wasn't sure in what specific capacity. His first post-graduation job was at HP, where he fell in love with computer science and networking. He then worked at Cisco, and now ServiceNow, where he has delved more into machine learning and cloud computing. In our conversation, we talk about how Allan pursued a career in tech leadership, the difference between AI and machine learning, what to do if you want a career in machine learning or technical leadership, and more.