TOP 100 LEADERS
18
Cal Henderson
CTO
Slack
Cal Henderson is both CTO and Co-Founder of Slack , a team communications platform . Along with his work with Slack , Henderson has published a best selling book called Building Scalable Websites and “ promises ' ' he is working on a second edition . In his previous roles , Henderson has worked as Head of Engineering for Flickr at Ludicopr and Yahoo ! He was also Director of Technology for EMAP . Slack is not the only company Henderson has co-founded , previously he was also the Co-founder and VP Eng for Glitch , a web-based massively multiplayer game .
17
Penelope Prett
CIO
Accenture
In the more than 25 years Penelope Prett has been at Accenture she has held many leadership roles across its client and technology organisations . As chief information officer for Accenture , Prett leads the company ’ s global IT operations , including the infrastructure , services , and applications that enable Accenture people to work anytime , anywhere to serve clients in more than 120 countries . She also supports the ingenuity of the global IT organisation in unleashing the promise of technology . Prett ’ s global team is boldly transforming Accenture into a modern and dynamic enterprise .
16
Lidia Fonseca
Chief Digital & Technology Officer
Pfizer
Lidia Fonseca is Executive Vice President , Chief Digital and Technology Officer at Pfizer . In her role , she is responsible for enterprisewide digital , data and technology strategy and solutions , as well as Learning and Development and Business Process Excellence . Previously , Fonseca was the Senior Vice President and CIO at Quest Diagnostics , the world ’ s leading provider of diagnostic information . She was on ALPFA ' s 2020 list of the 50 Most Powerful Latinas and named 2020 Healthcare Influencer and 2019 Healthcare Transformer by Medical , Marketing and Media . Fonseca also received Forbes ' 2017 CIO Innovation Award .
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