10 OneStream experts
OneStream administrators and in-house system owners make up this group: five hold or held administrator titles at AGCO, Booking Holdings, Kinross Gold, Bunge and Kenvue, and the other five are a system owner and finance systems managers or directors at NKT, UPS, IDEX, Evoqua and Asurion. Finance teams staffing OneStream after go-live, or fixing how security, metadata and releases are governed, can compare notes with people who own it day to day.
Professionals to explore
Brett Vrieze
LinkedInExperience: Director of FP&A Systems (OneStream) · UPS
UPS's Director of FP&A Systems (OneStream) since 2021 is Brett Vrieze, who leads a team of 20+ on/offshore technical resources in a multi-year OneStream EPM implementation and oversees the SaaS EPM environment. Brett also held Sr. FP&A Manager Budgeting & Forecasting (2019-2021) and Sr. FP&A Manager Data Analytics Engineer (2011-2019) at UPS, so staffing a long implementation is a good topic.
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Corey Stockman, MBA
LinkedInExperience: Financial Systems Manager · IDEX Corporation
Corey Stockman, Financial Systems Manager at IDEX Corporation since 2021, manages a financial systems portfolio "with focus on OneStream (CPM)." Corey was a Financial Systems Analyst (2019-2021) and Corporate Financial Analyst (2016-2019) at SRC, and can speak to keeping OneStream as the center of a wider systems portfolio.
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Denise Shang
LinkedInExperience: Financial System Manager OneStream Administrator · AGCO Corporation
At AGCO Corporation, Denise Shang has been Financial System Manager OneStream Administrator since 2025, leading OneStream administration for the global consolidation close and owning security, metadata governance and environment-based changes. Denise was Manager, Corporate Financial & Business Planning at AGCO (2019-2025), useful for close governance and change control questions.
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Erica Musgrove
LinkedInExperience: Director of Finance Systems · Asurion
Erica Musgrove has been Director of Finance Systems at Asurion since 2021, focusing on administering OneStream; Asurion roles also include Senior Manager (2017-2021) and Manager (2015-2017). Experience with Oracle products (HFM, FDMEE, DRM, Essbase and Hyperion Planning) is also listed, which suits teams comparing OneStream with those tools.
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Eve Pereira
LinkedInExperience: Senior Analyst, Finance Systems OneStream Administrator · Kinross Gold Corporation
As Senior Analyst, Finance Systems OneStream Administrator at Kinross Gold Corporation since 2023, Eve Pereira manages the OneStream ticketing service that handles user needs. Eve was Senior Analyst, Financial Projects at Yamana Gold Inc. (2017-2023), a fit for questions on support intake and day-to-day user requests.
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Kathryn Champion
LinkedInExperience: Financial Reporting Systems Manager - OneStream Administrator · Bunge
Kathryn Champion holds Financial Reporting Systems Manager - OneStream Administrator at Bunge since 2022, and was Lead System Developer - OneStream, BlackLine at Reinsurance Group of America (2019-2022). Kathryn lists OneStream versions 4.0 through 7.0.1 and expense management, planning (people planning, budget, forecast) and transaction matching, useful for upgrade and planning questions.
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Marlin Farnsworth, CFA, CPA
LinkedInExperience: Senior Manager, OneStream Administration · Booking Holdings (NASDAQ: BKNG)
Booking Holdings is where Marlin Farnsworth has been Senior Manager, OneStream Administration since April 2024, after serving as OneStream Administrator there from 2021 to 2024; their LinkedIn profile says "Global OneStream Lead - Administrator." Marlin also held financial systems analysis manager roles at Capital One (2019-2021), suited to questions on growing an admin seat into a global lead.
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Mikkel Aagaard
LinkedInExperience: Finance System Owner, OneStream · NKT
Mikkel Aagaard has been Finance System Owner, OneStream at NKT since 2024, described as overall responsible for the EPM platform (OneStream), including strategic roadmap, implementations, administration, development, internal training and new releases. Mikkel was Senior Group Financial Controller at NKT (2022-2024) and Audit Manager at Deloitte (2016-2021), a fit for questions on owning OneStream from the group finance side.
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Tim Volek
LinkedInExperience: Financial Systems Manager · Evoqua Water Technologies
Tim Volek is Financial Systems Manager at Evoqua Water Technologies, a role held since 2005, and describes being a "OneStream administrator and business process owner" with experience maintaining financial systems "while deploying new tools and implementing reporting changes." Tim holds an MBA and CPA, a fit for questions where reporting changes and system maintenance meet.
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Wendell Vesleno
LinkedInExperience: Former Director, OneStream Admin & Financial Apps Lead · Kenvue
Wendell Vesleno was Director, OneStream Admin & Financial Apps Lead at Kenvue (2025-2026) and has been Director, Finance Systems at Bausch + Lomb since March 2026, a title also held there from 2022 to 2025. Wendell was Finance Systems Administrator at Catalent (2016-2022), so questions on pairing OneStream with other financial apps fit here.
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Choose the right perspective
For security, metadata and ticket-level support, the five administrators (Denise Shang, Marlin Farnsworth, Eve Pereira, Kathryn Champion, Wendell Vesleno) are closest to the work. For roadmap, implementation scope and team staffing, Brett Vrieze at UPS describes leading a multi-year OneStream implementation team and Mikkel Aagaard at NKT describes overall responsibility for the platform, and Kathryn Champion lists OneStream versions from 4.0 to 7.0.1 if upgrades are the question.
Questions to take into the conversation
- 01After implementation, how many people does it take to run OneStream for consolidation, close and planning, and which of them sit in finance versus IT?
- 02How do you govern OneStream metadata and security changes so a release never lands in the middle of close?
- 03Which OneStream work did you keep with your implementation partner and which did you bring in-house first?
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.