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Long-time President and Owner of Plunkett’s Pest Control, Stacy O’Reilly, announced that she is stepping down effective January 1, 2023.

O’Reilly wrote in a letter to her staff, “When my father retired 20 years ago, he retired when the next generation of leaders was ready to manage Plunkett’s. He considered Plunkett’s entire team in his decision, the technicians and clients being top of mind for his decision. That time has come for me, too. Our leadership team is stronger than it has ever been.  The time is right for them to take over the day-to-day management of Plunkett’s / Varment Guard.”  O’Reilly will remain as Chair of the Board of Directors.

Plunkett’s Director of Innovation and Shared Services, Aly Silva Mulgrew, will succeed O’Reilly as the 5th President in the company’s 108-year history. Silva Mulgrew has been with Plunkett’s since 2020. Before joining Plunkett’s, Aly was at Surest (previously Bind Benefits), leading the Human Capital Department and the company’s cross-functional projects.

Prior to Bind, Silva Mulgrew was a management consultant with EY Parthenon, advising clients in North America, Latin America, and Europe.

Aly speaks Spanish, Portuguese, and English. She is originally from El Salvador and grew up in Latin America before making the United States her home. Silva Mulgrew earned a BA in Economics from Harvard University and MBA from Harvard Business.

O’Reilly calls Silva Mulgrew “A special talent who jumps into any challenge willingly. She listens, learns, supports, and contributes with a genuine goal to move the entire team forward together.”

Silva Mulgrew added, “I am honored and excited to lead the Plunkett’s and Varment Guard team, a talented and dedicated group of professionals who consistently deliver excellent service for our customers. Thank you to Stacy and the O’Reilly family for the trust and opportunity to steward and shape a 100-plus year legacy.”


Founded in 1915 in Minneapolis, Minnesota, Plunkett’s Pest Control, Inc. is a privately owned and operated corporation. Still based in Minneapolis, with regional offices in Columbus, OH, and Farmington, NM, Plunkett’s delivers professional residential and commercial pest control services to over 74,000 clients in 18 states.  Plunkett’s is proud to also own Varment Guard Wildlife Services, the country's largest privately help wildlife company. Acquired by Plunkett’s in 2015, Varment Guard provides wildlife services in seven states, including Michigan, Indiana, Minnesota, Illinois, Ohio, Kentucky and Pennsylvania.

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