Finance professionals in Water treatment
Between them, Evoqua Water Technologies and Veolia's water technologies businesses employ six of these water treatment finance people, three each, and the rest hold or held CFO titles at DuPont Water Solutions and WaterTectonics or senior finance roles at Zurn Elkay Water Solutions and Industrial Water Treatment Solutions /DMP Corp. Ask them about plant and project cost control, pricing service contracts against equipment sales, or controllership across regions.
Professionals to explore
Beth Ann Schmid
LinkedInExperience: Director of Finance · Evoqua Water Technologies
Beth Ann Schmid has been Director of Finance at Evoqua Water Technologies since 2022 and at Xylem since 2023, a role described as Finance Director for the Utility Services Division. Earlier Evoqua roles were Senior Finance Manager (2017–2021) and Financial Planning and Analysis (2012–2017), and Schmid was Financial Reporting Manager at Siemens (2009–2012). A fit for utility services budgeting.
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Bobbi Belstner
LinkedInExperience: Former Vice President, Corporate Controller · Zurn Elkay Water Solutions
Bobbi Belstner became Vice President, Corporate Controller at Zurn Elkay Water Solutions in 2024 after Director, Finance there (2023–2024). Enerpac Tool Group roles were Senior Director of Investor Relations and Strategy (2021–2023), Director of Investor Relations and Strategy (2018–2021) and Controller - Engineered Solutions Americas (2017–2018). Belstner fits corporate controllership and investor communication questions.
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Evette Beal
LinkedInExperience: Finance Director · Veolia Water Technologies & Solutions
Evette Beal has been Finance Director at Veolia Water Technologies & Solutions since 2023, after Regional Controller at Timken (2012–2023). Other roles were Director of Accounting and Finance at PurePlay, LLC (2009–2012), Director of Finance at Global Energy Decisions (2003–2008) and Assistant Controller at S&P Global (1999–2003). Beal names P&L management and GAAP reporting skills.
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Gretchen Dubuc
LinkedInExperience: Director, Operational Finance · Evoqua Water Technologies
Gretchen Dubuc is Director, Operational Finance at Xylem (since 2024) and at Evoqua Water Technologies (since 2021). Earlier Evoqua roles were Sr Manager Operational Finance (2019–2021) and Plant Controller - Supply Chain Management (2012–2019), and Dubuc was Senior Accountant at Siemens (2005–2012). The plant controller years make Dubuc a fit for manufacturing cost questions at Evoqua.
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Gustavo Rezer
LinkedInExperience: Business CFO at DuPont Water Solutions · DuPont
Gustavo Rezer is Business CFO at DuPont Water Solutions at DuPont (since 2019). Earlier DuPont roles were Business Finance Leader at DuPont Nutrition & Health (2016–2019) and Business CFO - Health Division (2012–2015), with Solae, LLC roles as Director, Operations Finance & Analysis (2007–2012) and FI CO Business Process Owner (2004–2007). Rezer fits business unit CFO questions on water solutions products.
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Nathan Castillo, CPA
LinkedInExperience: Chief Financial Officer · WaterTectonics
Nathan Castillo, CPA became Chief Financial Officer at WaterTectonics in 2025, and has worked there since 2013: Director of Finance (2019–2025), Controller (2013–2019) and Senior Accounting Manager (2013). As CFO, Castillo creates forecasts, budgets and long-term plans and advises the CEO and board, a fit for CFO-level planning questions at WaterTectonics.
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Patricia Carroll, CPA
LinkedInExperience: Vice President of Finance & Administration · Industrial Water Treatment Solutions /DMP Corp.
Patricia Carroll, CPA was Vice President of Finance & Administration at Industrial Water Treatment Solutions /DMP Corp. (2017–2021). Other roles include Controller and Vice President of Finance & Administration at Optimer Brands (2011–2016), Controller and Director of Operations at H2O+ (2006–2010) and Controller, Site Director and Plant Manager at Kerry (2002–2006). Carroll describes work in privately owned and private equity owned companies.
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Richard Flinn CPA
LinkedInExperience: CFO Veolia Water Technologies NORAM · Veolia | Water Tech
Richard Flinn CPA has been CFO Veolia Water Technologies NORAM at Veolia | Water Tech since 2025 and was Global NAM Controller (Previously Suez WTS) there (2020–2025). Other roles include Financial & Accounting Consultant at Veolia | Water Tech (2011–2016), Chief Financial Officer at Veritas Medical Solutions in 2020 and Controller US Shared Services at IKO North America (2015–2019). Flinn suits regional CFO questions in water technologies.
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Sebastian Theel
LinkedInExperience: Senior Financial Controller · Veolia | Water Tech Deutschland
Sebastian Theel is Senior Financial Controller at Veolia | Water Tech Deutschland (since 2019) and was Financial Controller at Veolia Water Technologies Deutschland GmbH from 2003 to 2019, after a short Accounting Clerk role at Berkefeld-Filter Anlagenbau GmbH in 2003. Over two decades in controlling at one water technology business suits questions on project and entity controlling.
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Shelly Graham
LinkedInExperience: Director Operational Finance · Evoqua Water Technologies
Shelly Graham was Chief Financial Officer at Veolia | Water Tech (2017–2020) and has been Director Operational Finance at Evoqua Water Technologies since 2021. Earlier Veolia | Water Tech roles were Controller Assistant Controller Accounting Manager (2007–2017), Project Accountant (2005–2007) and Accounts Payable Supervisor (2002–2005). Graham cites cost reductions and internal controls, useful for cost and controls questions at Veolia and Evoqua.
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Choose the right perspective
Richard Flinn CPA, Gustavo Rezer and Nathan Castillo, CPA hold CFO titles and fit strategy, pricing and board-level questions. Gretchen Dubuc, Beth Ann Schmid and Shelly Graham are closer to operational and division finance at Evoqua and Xylem, while Evette Beal, Sebastian Theel, Bobbi Belstner and Patricia Carroll, CPA cover finance director, controller and finance-and-administration roles.
Questions to take into the conversation
- 01How do you price a multi-year water treatment service contract when chemical, membrane and labor costs are hard to predict?
- 02How should finance track margin on a custom treatment system project from bid through commissioning?
- 03What is different about budgeting a utility services business compared with selling water treatment equipment?
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.