10 Oak Street Health IT leaders
Vice President, Information Technology, Lead Director, Tech Infrastructure, Lead Director, Informatics and Director Care Model Technology and Software Support are among the current titles held by these Oak Street Health IT leaders. A reader can learn how IT leaders work at Oak Street Health from people who have held the role.
Professionals to explore
Brooke Birrenkott, MBA
LinkedInExperience: Lead Director, Strategic Portfolio and Technology Planning · Oak Street Health, part of CVS Health
Brooke Birrenkott, MBA has been Lead Director, Strategic Portfolio and Technology Planning at Oak Street Health, part of CVS Health since October 2025 and Lead Director, Business Delivery and Enablement there since August 2026, based in San Diego. Brooke Birrenkott was Lead Director, Retail Health Strategy, Office of the President at CVS Health from 2024 to 2025.
Claire Miller
LinkedInExperience: Lead Director, Informatics · Oak Street Health, part of CVS Health
Claire Miller has been Lead Director, Informatics at Oak Street Health, part of CVS Health since March 2026, based in the Urbana-Champaign area. Claire Miller was a Business Architecture Specialist at Accenture from November 2023 to March 2026 and Business & Integration Arch Senior Analyst there from 2022 to 2023.
Collin Peterson
LinkedInExperience: Director, Software Engineering · Oak Street Health, part of CVS Health
Collin Peterson has been Director, Software Engineering at Oak Street Health, part of CVS Health since February 2025, based in Chicago. Collin Peterson was Sr. Principal Enterprise Architect at Oak Street Health from October 2023 to February 2025 and Staff Cloud Architect at JPMorganChase from July 2022 to September 2023.
Ellen Goldman Sweetser
LinkedInExperience: Sr. Director of Technology Program Management · Oak Street Health, part of CVS Health
Ellen Goldman Sweetser has been Sr. Director of Technology Program Management at Oak Street Health, part of CVS Health since November 2024. Ellen Goldman Sweetser was Sr. Director IT Card Services Product Development Project Management at Fiserv from June 2020 to October 2024 and Director of Technical Project and Portfolio Management at ADP from 2008 to 2018.
Erin Wiet
LinkedInExperience: Lead Director, Tech Infrastructure · Oak Street Health, part of CVS Health
Erin Wiet has been Lead Director, Tech Infrastructure at Oak Street Health, part of CVS Health since January 2025, based in Plainfield, Illinois. Erin Wiet was Director, Technology Infrastructure - Expansion there from April 2023 to July 2025 and Senior Manager, IT Expansion from January 2022 to April 2023.
Jayesh S.
LinkedInExperience: Vice President, Information Technology at Oak Street Health · Oak Street Health, part of CVS Health
Jayesh S. has been Vice President, Information Technology at Oak Street Health since July 2022 and Sr. Director, ITOps & Engineering there since April 2021, based in the Chicago area. Jayesh S. was Director Information Technology Services at Northwest Community Healthcare from 2019 to 2021.
John Scott
LinkedInExperience: Senior Director - Technology Program Management · Oak Street Health, part of CVS Health
John Scott has been Senior Director - Technology Program Management at Oak Street Health, part of CVS Health since June 2024, based in Caldwell, New Jersey, and the profile describes the role as PMO leader. John Scott was Sr. Director - Implementations at Fiserv from March 2022 to June 2024 and Director - IT Vendor Relations there from 2018 to 2020.
Monika Kindzierski
LinkedInExperience: Director Care Model Technology and Software Support · Oak Street Health, part of CVS Health
Monika Kindzierski has been Director Care Model Technology and Software Support at Oak Street Health, part of CVS Health since March 2015, based in the Chicago area. Monika Kindzierski was an Implementation Specialist at PhyMedica from 2010 to March 2015, the only other role the listing shows.
Ram Rajaram
LinkedInExperience: Former Senior Vice President, Enterprise Systems · Oak Street Health, part of CVS Health
Ram Rajaram is a former Senior Vice President, Enterprise Systems at Oak Street Health, part of CVS Health, a role held from March 2022 to December 2023, based in Naperville, Illinois. Ram Rajaram was Head, Strategy, Technology & Operations, NACB at BMO U.S. from 2019 to 2020 and CTO - Capital Finance at Wells Fargo from 2016 to 2017.
William Diaz
LinkedInExperience: Executive Director Engineering · Oak Street Health, part of CVS Health
William Diaz has been Executive Director Engineering at Oak Street Health, part of CVS Health since April 2023, based in Chicago. William Diaz was Lead Director Engineering at Oak Street Health from April 2021 to May 2023, Senior Engineering Manager there from 2018 to 2021 and Lead Data Engineer from 2016 to 2018.
Choose the right perspective
Match the person's own area, such as infrastructure, informatics, program management, care model technology or engineering, to the question you need answered. Vice presidents can speak to direction across the IT organization, while directors can speak to how their own area runs day to day.
Questions to take into the conversation
- 01What did you focus on first when you took on your current IT role at Oak Street Health?
- 02How do you weigh requests from clinicians and center staff against other IT priorities?
- 03Which technology projects have taken the most of your time over the past year?
Reaching Oak Street Health IT leaders
How can I contact one of these Oak Street Health IT leaders?
Pick one of the 10 people on this page and choose "Book a paid call", or describe your project to find others. You offer a fee for a 15-minute call or a written answer, Instant Expert finds the person's work email and sends the invitation, and they decide whether to accept. The list covers 1 company: Oak Street Health, part of CVS Health, based on profile data retrieved on October 27, 2026. Being listed here doesn't mean someone has agreed to take calls.
How much does it cost to reach Oak Street Health IT leaders?
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About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot; roles marked former had ended by then. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.