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    You are at:Home»Execs to Know»Top HR Execs to Watch in 2025: Constellis’ Marissa Holdorf
    Execs to Know

    Top HR Execs to Watch in 2025: Constellis’ Marissa Holdorf

    By Staff WriterOctober 21, 2025
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    Marissa Holdorf, Constellis

    Marissa Holdorf

    Chief Human Resources Officer, Constellis

    After only a year at Constellis, Marissa Holdorf has empowered an exceptional HR leadership team that partners with business leaders, aligning talent strategies with organizational goals. She influenced strategic changes across the organization to increase stability in the business and position the over 12,000-person company for future growth. Her dedication and transparency fosters trust with internal stakeholders, including executive leadership and the board of directors.

    “I believe that honesty and transparency enable a culture where change stops feeling like a disruption and starts feeling like progress,” she said.

    Why Watch

    Holdorf and her team are driving HR transformation by challenging outdated mindsets and embracing innovation. Focused on enabling a high-performance culture, Holdorf and team embraced technology to streamline, automate and drive data-driven business decisions that improve the employee experience and attract top talent.

    Constellis continually drives effectiveness and efficiency across its operations. Its agile business model allows the company to adapt to evolving priorities and deliver security solutions that meet customer needs.

    “Since joining our team last October, Marissa has elevated how we think about people, culture and collaboration,” said Constellis CEO Terry Ryan. “Her authentic leadership has strengthened our team and positioned us for sustainable growth.”

    Fun Fact: Holdorf loves the changing seasons, especially winter! Raised in Nevada, she learned to ski at a young age and now enjoys the slopes with her family. It’s her favorite way to blend family time with her favorite activity.

    See the entire Top HR Execs to Watch in 2025 list here. 

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