The month of September brought significant shifts in the C-suite, with a range of companies across industries welcoming new chief operating officers. From food and hospitality to healthcare, manufacturing, and transportation, organizations are reshaping leadership teams to strengthen strategy, enhance operations, and drive growth. Operations Council will focus on 11 COOs that accepted in roles in September 2025.
Jersey Mike’s Names Stacy Peterson as New President and COO
Jersey Mike’s announced the appointment of Stacy Peterson as president and chief operating officer. Peterson comes from Jeni’s Splendid Ice Creams where she served as CEO of the growing brand since 2022.
Tyson Foods Names Devin Cole as New COO
Tyson Foods has appointed Devin Cole as the new chief operating officer. He will oversee the company’s business segments, including poultry, beef, pork, prepared foods and international.
Alaska Airlines Names Jason Berry as New COO
Alaska Air Group has appointed Jason Berry as new chief operating officer of Alaska Airlines. He currently works as president of Horizon, as well as the company’s executive vice-president of cargo.
MillerKnoll Names Jeffrey Stutz as New COO
MillerKnoll announced significant leadership changes to drive its growth and innovation strategy. Jeffrey Stutz has been appointed Chief Operating Officer. This appointment aims to enhance the company’s operational capabilities and design-driven brand management, with Stutz focusing on international contract business and global manufacturing.
Chestnut Carbon Names Brian DiMarino as New COO
Chestnut Carbon has appointed Brian DiMarino as its new chief operating officer (COO). Carrying a rich background in finance and business management, DiMarino will take on this new role after serving as the managing director and deputy director of global sustainability, strategy, and operations at JPMorgan Chase.
Reiter Affiliated Companies Names Eric Reiter as New COO
Reiter Affiliated Companies (RAC) announced the appointment of Eric Reiter as Chief Operating Officer (COO). In this role, Eric Reiter will oversee global production, farming innovation, as well as supply chain operations across the world.
CSS Names Gregory Garrett as New COO
Converged Security Solutions (CSS) announced that Gregory (Gregg) Garrett has been appointed Chief Operating Officer (COO). In this newly established role, Garrett will spearhead the company’s federal operations, delivered by CSS’ federal business units, Evolver Federal and eVigilant. As COO, Gregg will help accelerate CSS’ broader growth agenda across information technology, cyber and integrated security, and digital transformation.
North American Rail Solutions Names Stacey Posey as New COO
North American Rail Solutions has tapped a veteran operator to help lead expansion for its growing American Track subsidiary, which provides turnkey railroad infrastructure services across the U.S. The company has named Stacey Posey as chief operating officer of American Track. Posey brings more than 26 years of experience in rail operations, corporate strategy, and business development.
MGM Resorts Names Ayesha Molino as New COO
MGM Resorts International has announced a senior leadership appointment, naming Ayesha Molino as Chief Operating Officer. She currently serves as President and COO of ARIA and Vdara, overseeing operations at the Las Vegas properties, and also holds the role of Chief Public Affairs Officer.
Locksley Names Danny George as New COO
Locksley Resources Limited announced the appointment of Danny George as Chief Operating Officer (COO) of the company. Mr. George is an experienced senior executive with a global background spanning all phases of project execution across mining, energy and infrastructure.
Nutex Health Names Wesley Bamburg as New COO
Nutex Health, a physician-led, integrated healthcare delivery system comprised of 24 state-of-the-art micro hospitals and hospital outpatient departments in 11 states and primary care-centric, risk-bearing physician networks, announced the appointment of Wesley Bamburg as the Company’s Chief Operating Officer. Mr. Bamburg is an accomplished healthcare executive with 20 years of Fortune 500 experience in healthcare operations, business development, integrated network management, and physician relations.
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