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Tailwater Capital Promotes Doug Prieto and Drew Winston to Partner

Tailwater Capital promoted Doug Prieto and Drew Winston to Partner effective Dec. 16, 2025.

(Moderate)

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Rhea-AI Summary

Tailwater Capital promoted Doug Prieto and Drew Winston to Partner effective Dec. 16, 2025. The moves recognize their roles in advancing Tailwater’s energy and infrastructure investment strategy and expanding proprietary sourcing, technical capabilities, and long‑term value creation for limited partners.

Doug Prieto joined Tailwater in 2021, most recently served as CEO of Tailwater E&P, led mineral, royalty and non‑operated upstream investments, and serves on boards of Pivotal Petroleum Partners I & II and Pivotal Royalties Partners I & II. Drew Winston joined in 2018, leads deal sourcing and portfolio management, and serves on boards including WTG Energy, Central Midstream, Producers Midstream, Summit Midstream (NYSE: SMC) and Goodnight Midstream.

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Positive

  • Two senior promotions reinforce Tailwater’s leadership bench and succession depth
  • Doug Prieto has led Tailwater E&P since joining in 2021
  • Drew Winston has driven sourcing and portfolio management since joining in 2018
  • Both partners hold multiple portfolio board seats including Summit Midstream (NYSE: SMC)

Negative

  • None.
Argus Dec 16 session
-0.67% close to close Open Argus
Details

News Market Reaction – SMC

On Dec 16, the day this news came out, SMC closed 0.67% below the previous close.

Data tracked by StockTitan Argus for the Dec 16 session.

Key Figures

Doug tenure start: 2021 Drew tenure start: 2018 Current price: $26.68 +3 more
Doug tenure start
2021
Doug Prieto joined Tailwater in 2021
Drew tenure start
2018
Drew Winston joined Tailwater in 2018
Current price
$26.68
Pre-news close for SMC
52-week high
$45.89
SMC 52-week high level
52-week low
$19.13
SMC 52-week low level
Market cap
$332,053,714
SMC equity value before this news

Historical Context

5 past events · Latest: Nov 10
5 events
  1. Nov 10

    Q3 2025 earnings

    24h Move
    -0.1%

    Improved Q3 EBITDA, throughput and cash flow with dividends still suspended.

  2. Oct 28

    Earnings call setup

    24h Move
    +0.5%

    Announcement of Q3 earnings date and participation in two finance conferences.

  3. Aug 12

    Q2 2025 earnings

    24h Move
    -16.6%

    Q2 net loss and guidance toward low end of 2025 EBITDA range.

  4. Jul 31

    Earnings call setup

    24h Move
    -4.5%

    Scheduling Q2 call and conference attendance disclosure for management.

  5. Jul 09

    Tax documentation

    24h Move
    +0.3%

    Announcement of 2024 K-3 tax form availability for unitholders.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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DALLAS, Dec. 16, 2025 /PRNewswire/ -- Tailwater Capital LLC ("Tailwater"), an energy and infrastructure private equity firm, today announced the promotion of two key team members, Doug Prieto and Drew Winston, to Partner. Each has played a pivotal role in advancing Tailwater's strategy across critical investment areas, helping expand the firm's proprietary sourcing capabilities, technical edge, and long-term value creation for its limited partners. Their promotion to Partner underscores Tailwater's commitment to deep bench strength and long-term growth across its portfolio.

Doug most recently served as Chief Executive Officer of Tailwater E&P and led the firm's mineral, royalty, and non-operated upstream investment strategy. Since joining the firm in 2021, Doug has helped build Tailwater E&P into a strategically focused and data-driven platform, known for executing proprietary transactions and managing a broad footprint of producing assets with deep inventory. He serves on the boards of Pivotal Petroleum Partners I & II and Pivotal Royalties Partners I & II, and is actively involved with Tailwater E&P SPV, LP.

"Doug has brought tremendous vision and discipline to our upstream platform, helping build what we believe is the leading royalty and non-op model in the industry," said Edward Herring, Tailwater Co-Founder and Managing Partner. "His leadership in assembling and managing world-class assets and teams has driven meaningful value creation for our investors."

Drew joined Tailwater in 2018 and since that time has led the sourcing, evaluation, execution, and ongoing management of investments across the firm. He currently serves on the boards of multiple portfolio companies including WTG Energy, Central Midstream, Producers Midstream, Summit Midstream (NYSE: SMC) and Goodnight Midstream. His leadership and sector expertise have been pivotal in identifying and executing several high-quality investments that have been instrumental to the growth of Tailwater's platform.

"Drew has consistently demonstrated an ability to pair deep industry relationships and strategic decision making to drive value across our portfolio and to our investors," said Jason Downie, Tailwater Co-Founder and Managing Partner. "His leadership style has fostered an environment of collaboration and innovation within Tailwater and has made him a trusted board member to our portfolio company management teams."

These promotions come at a time of strong momentum for Tailwater, as the firm expands its leadership focus on delivering reliable, high-return solutions in a dynamic market. Both Doug and Drew will continue to play critical roles in advancing Tailwater's investment strategy and reinforcing its reputation as a trusted, high-performing partner in energy and infrastructure investing.

About Tailwater Capital
Dallas-based Tailwater Capital is an energy and infrastructure private equity firm with a well-established track record of working constructively with proven management teams to deliver value-added solutions. Tailwater has raised more than $6 billion in committed equity capital since inception, and the team has executed more than 235 transactions representing over $28 billion in value. For more information, please visit www.tailwatercapital.com.

Contact

Jill McMillan
Managing Director, Communications & Public Affairs
Phone: 214-489-7047
Email: jmcmillan@tailwatercapital.com

John Schaufele
Managing Director, Investor Relations & Fundraising
Phone: 214-489-7043
Email: jschaufele@tailwatercapital.com

Forward-Looking Statements

Includes non-Tailwater controlled capital pursuant to the Tailwater led management buyout processes for which Tailwater provides management related services.

Cision View original content to download multimedia:https://www.prnewswire.com/news-releases/tailwater-capital-promotes-doug-prieto-and-drew-winston-to-partner-302643361.html

SOURCE Tailwater Capital

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

Who was promoted to Partner at Tailwater Capital on December 16, 2025?

Tailwater promoted Doug Prieto and Drew Winston to Partner on December 16, 2025.

What roles did Doug Prieto hold before his promotion at Tailwater Capital?

Doug most recently served as CEO of Tailwater E&P and led the firm’s mineral, royalty, and non‑operated upstream investment strategy.

Which portfolio boards does Drew Winston serve on, including Summit Midstream (SMC)?

Drew serves on multiple boards including WTG Energy, Central Midstream, Producers Midstream, Summit Midstream (NYSE: SMC) and Goodnight Midstream.

When did Doug Prieto and Drew Winston join Tailwater Capital?

Doug joined Tailwater in 2021 and Drew joined in 2018.

What does the promotion mean for Tailwater investors and portfolio companies?

The firm said the promotions strengthen Tailwater’s proprietary sourcing, technical edge, and long‑term value creation capabilities for limited partners.

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