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Brian Stoesz
Chief Executive Officer
Aspen Behavioral Health Care Team

Since the 1980s, Stoesz has been a prominent figure in Pennsylvania's behavioral health sector. Following the attainment of his MS in Leadership from Duquesne University in Pittsburgh, Stoesz has held key leadership positions such as director, program director, executive, CEO, or executive vice president across a multitude of major human services facilities.

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Rob Tomasiello
Chief Operating Officer

With two decades in the behavioral health field, Robert Tomasiello specializes in substance use disorder (SUD) residential treatment operations. He has led diverse teams across industry-leading companies, driving innovation and excellence in service delivery.

As COO, Tomasiello uses his extensive knowledge to streamline operations, enhance service quality, and foster continuous improvement. His collaborative approach with multidisciplinary teams ensures best practices and outstanding results.

Tomasiello's commitment to excellence and deep understanding of the behavioral health sector's challenges make him a respected industry leader, dedicated to improving patient outcomes and promoting evidence-based practices.

Dr. William Cooke, MD, FAAFP, FASAM, AAHIVS
Medical Director

Dr. William Cooke graduated with honors from IU School of Medicine in 2001. He is a Fellow of both the American Academy of Family Physicians and the American Society of Addiction Medicine, specializing in Family Medicine, Addiction Medicine, and HIV Medicine. Recognized nationally, he was named Family Physician of the Year by the Indiana Academy of Family Physicians and the American Academy of Family Physicians. Dr. Cooke has also received numerous other awards, including the Doc Hollywood Award, the Indiana State Health Commission’s Award, the Ryan White Distinguished Leadership Award, the IU Bicentennial Medallion, and the Physician Pillar of Excellence Award.

Dr. Cooke founded several healthcare organizations, including Foundations Family Medicine, now part of Well Care Community Health Centers, and the nonprofit Refresh (F5), which reduces health barriers for marginalized communities. He is committed to equal access to health and opportunity, a theme he explores in his book, Canary in the Coal Mine, based on the 2015 Scott County HIV outbreak.

A frequent keynote speaker on health equity, healthcare reform, social determinants of health, and the opioid crisis, Dr. Cooke testified before the U.S. Senate Health Committee in 2021 on these critical issues.


Yehuda Marx
Vice President of Strategic Growth

Yehuda Marx serves as the Vice President of Strategic Growth at Aspen BHC. Prior to joining the company, he operated as an independent consultant for healthcare firms, specializing in advising on tax credits, grants, and opportunities for securing governmental funding. Leveraging his expertise, he successfully procured over $15,000,000 from various sources, utilizing cutting-edge software solutions.


At Aspen BHC, Yehuda envisions the development of world-class treatment programs that encompass a comprehensive range of Behavioral Health Services. He has orchestrated a network of caregivers and providers aimed at enhancing and expanding the company's growth trajectory.

Yehuda holds an undergraduate degree in Talmudic law from Atres Shlomo and is currently pursuing an international MBA from Bar Ilan University. Actively engaged in numerous civic and community organizations, he is committed to making a positive impact beyond the realm of healthcare.

Alex Malech
Vice President of Business Development

Alex dedicates his daily efforts to enhancing the operational capabilities of Boulevard Health's portfolio companies while actively seeking out strategic avenues for growth. Furthermore, he plays a pivotal role within Aspen BHC's financial team, offering insights and guidance on prospective investment opportunities.

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