Acorn Health, a leading national provider of applied behavior analysis (ABA) therapy for children diagnosed with autism spectrum disorder (ASD), announces Mony Iyer as its new president and chief executive officer, effective Sept. 15, 2025.

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Mony Iyer, Acorn Health CEO

“We are delighted to welcome Mony to Acorn Health,” said Imran Siddiqui, a member of Acorn Health’s board of directors and managing director of Ontario Teachers’ Pension Plan. “A nationally recognized business leader, he brings the unique combination of championing culture and inspiring teams while scaling organizations with purpose. We are excited to support him as he leads Acorn Health into its next stage of growth and impact.”

Iyer has more than 20 years of experience leading large, mission-driven organizations. Most recently, he served as president of Banfield Pet Hospital, one of the largest veterinary companies in the US. Prior to that he was vice president of specialty healthcare services for Walmart, president of OneSight and vice president for Luxottica Group.

“What drew me to Acorn Health is its clear mission and strong culture of care,” said Iyer. “Over the course of my career, I have experienced how empowering teams and clinicians leads to better outcomes for those we serve. I am eager to build on that foundation by investing in and strengthening our teams that provide such critical care to our clients, expanding access for families, and ensuring that Acorn continues to grow in a way that reflects its values.”

Iyer holds a bachelor’s degree in electronics and communication engineering from The University of Madras, a master’s degree in electrical engineering, and an MBA from Duke University.

Rich Hallworth, who has led Acorn Health since 2023, will retire from the CEO role and continue to serve as an active member of Acorn Health’s board of directors.

“It has been a privilege to lead Acorn Health and to work alongside such a talented team,” Hallworth said. “As I transition into retirement, I am pleased to remain an active member of the board and continue supporting the organization’s mission. I have full confidence in Mony’s leadership and in the team’s ability to carry Acorn forward.”

About Acorn Health:

Acorn Health is accredited by the Autism Commission on Quality and offers both center-based and in-home services nationwide in more than 70 centers located throughout Florida, Illinois, Maryland, Michigan, Pennsylvania, Tennessee, and Virginia. Founded in 2018, Acorn is committed to providing industry-leading quality clinical care through applied behavioral analysis (ABA) therapy to give children diagnosed with autism spectrum disorder (ASD) the opportunity to live more independent and meaningful lives.

Cases of ASD are on the rise; according to the Centers for Disease Control and Prevention, one in 31 children is living with ASD. ABA therapy, a program endorsed by the U.S. Surgeon General, provides individualized plans for each patient based on agreed upon clear, measurable goals with the child’s family. Acorn Health uses its proprietary Behavioral Health Index to measure success in ways that are easily understood by families, clinicians and educators.

To learn more about Acorn Health, visit AcornHealth.com/ and to learn about career opportunities, visit AcornHealth.com/careers.

To inquire about ABA therapy at Acorn Health, please call 844.244.1818.

Follow us at Facebook.com/AcornHealthABA, Instagram.com/acornhealthaba, and LinkedIn.com/company/acornhealth.

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What drew me to Acorn Health is its clear mission and strong culture of care. Over the course of my career, I have experienced how empowering teams and clinicians leads to better outcomes for those we serve.