Leslie Tamura: Driven by Purpose, Powered by Connection

Susan Clark is a dynamic healthcare operations leader with more than 15 years of experience across civilian healthcare and 23 years of decorated military service, known for her ability to lead with integrity, precision, and strategic vision. Her expertise spans a wide range of healthcare environments—including primary care, emergency medicine, pediatrics, corrections health, and laboratory services—where she has consistently driven operational efficiency, enhanced quality assurance, and implemented transformative systems like EHRs and electronic tracking tools. With advanced credentials in healthcare administration and certifications in Lean Six Sigma, Susan is a proven change agent who thrives in complex, fast-paced settings, aligning clinical excellence with organizational performance.

Patrick Speer is a purpose-driven healthcare executive with a strong track record of leading Medicare strategy, growth, and operations across some of the nation's most innovative health plans. With experience spanning finance, analytics, and executive leadership, he has consistently advanced Medicare Advantage, Dual Eligible, and Group Medicare products with a focus on improving outcomes and access for seniors. At the core of Patrick’s work is a deep commitment to simplifying healthcare and building systems that prioritize people, especially the most vulnerable. His leadership is grounded in data, driven by mission, and powered by a belief that better care starts with trust, clarity, and compassion.

Dr. Anthony J. Marchi, DHSc, is a dynamic healthcare executive and military veteran renowned for leading high-impact transformation across complex systems. With over 30 years of experience in performance improvement, sustainability strategy, and talent development, Dr. Marchi has consistently delivered results in high-pressure environments—from military medical missions to enterprise-level healthcare optimization. His unique blend of clinical insight, operational excellence, and strategic foresight makes him a trusted advisor and leader capable of driving meaningful change in both government and private sector organizations.

Vidura Stich is a transformational healthcare executive with deep expertise in digital product leadership, organizational design, and enterprise program management. Known for his strategic vision and people-first approach, he has successfully led large-scale transformations across CVS Health, Blue Shield of California, Kaiser Permanente, and Butterfly Network. With a proven ability to build high-performing teams, design scalable structures, and implement digital strategies that drive measurable results, Vidura excels in guiding organizations through complex change while improving service delivery, operational efficiency, and stakeholder engagement.

Jared Matthew Singleton is a results-oriented executive whose career is defined by strategic growth, operational excellence, and values-driven leadership. With over 14 years of experience spanning healthcare, environmental services, finance, and manufacturing, Jared brings a unique blend of business acumen, team leadership, and community commitment to every role he undertakes. Known for his ability to transform vision into action, he has led multimillion-dollar operations, negotiated complex partnerships, and consistently delivered top-line growth and profitability. Guided by the principles of servant leadership, consistency, impact, and drive, Jared is a sought-after voice in both corporate and nonprofit arenas, and a strong advocate for authentic leadership in today’s evolving business landscape.

After three decades leading operational excellence in pharmacy, healthcare distribution, and clinical services, I’ve taken a moment to reflect on my journey and capture my professional story. I’m proud of the progress, partnerships, and challenges overcome—and excited to explore board opportunities where I can add strategic value. Here is my biography.

: I'm excited to share my professional journey and expertise in financial management and strategic leadership within the healthcare sector. My experience reflects my commitment to excellence and continuous improvement—here is my biography.

David McDonough is a transformative executive leader in the medical device and healthcare technology industries, recognized for his ability to drive business growth, operational efficiency, and product innovation. As president of Northgate Technologies, Inc., he spearheaded a remarkable turnaround, increasing revenue from $7 million to $21 million and improving EBITDA from a $500,000 deficit to $5 million within five years—achieved without additional capital investment. With over 33 years of experience, McDonough has successfully led market expansions, secured multimillion-dollar contracts, and brought award-winning medical technologies to market. His expertise spans strategic planning, sales and marketing, product development, and stakeholder engagement, making him a sought-after leader in the industry. A dynamic communicator and thought leader, he has shared his insights at international conferences such as MedTech World in Malta and Houston. Now seeking board roles, McDonough is eager to leverage his vast experience to help organizations scale, optimize operations, and achieve industry leadership.

I’m excited to share my executive biography that highlights my journey in healthcare, sales leadership, and business transformation. With 24 years of experience in medical imaging, outpatient care, and enterprise strategy, I have had the opportunity to develop high-performing teams, create innovative market strategies, and drive growth in the healthcare industry.

With over 35 years of experience in the healthcare industry, I’ve dedicated my career to building high-performing teams, driving commercialization strategies, and fostering strong company cultures. As a board member, advisor, and executive leader, I thrive on delivering breakthrough growth and creating lasting impact. If you’re looking for strategic leadership in medical devices, pharmaceuticals, or life sciences, I’d love to connect. Here is my biography.

Maureen A. O’Mara, MBA, BSN, RN, CCM, is a seasoned healthcare executive and consultant with over four decades of expertise in transforming healthcare operations, improving patient outcomes, and driving compliance excellence. Known for her results-oriented leadership and innovative approach, Maureen has successfully led initiatives that enhanced quality metrics, reduced operational costs, and elevated organizational performance. With a deep understanding of case management, medical management, and analytics, she has consistently delivered strategic solutions that align clinical goals with business objectives. An advocate for continuous improvement, Maureen remains dedicated to advancing healthcare innovation and supporting organizations in achieving impactful results.

I’m excited to share my executive biography with you. With over 20 years of experience in healthcare administration and value-based care, I’ve had the privilege of leading teams to improve healthcare outcomes, drive savings, and create lasting value.

Jay Kellison is a seasoned healthcare executive and board advisor with over 40 years of experience leading behavioral health and addiction treatment organizations across 21 U.S. states. With expertise in turnaround management, strategic growth, and financial optimization, he has successfully overseen hospital systems, residential treatment centers, and outpatient psychiatric programs in both for-profit and non-profit sectors. Throughout his career, Jay has held executive leadership roles at Acadia Healthcare, HCA Healthcare, Universal Health Services, Rogers Behavioral Health, and Latticework Capital Management, where he has driven operational excellence, expanded service lines, and optimized financial performance. A dedicated mentor and industry leader, Jay is passionate about developing executive talent, advising investors, and helping organizations navigate complex healthcare landscapes. His guiding principle, “treat others as you want to be treated,” reflects his commitment to ethical leadership, collaboration, and sustainable growth in the behavioral healthcare sector.

Nancy Hess is a highly accomplished senior healthcare executive and strategic consultant with over 25 years of experience driving innovation and growth across the healthcare sector. As Chief Commercial Officer at Spiras Health, she leads transformative strategies for Medicare Advantage plans, Medicaid, ACOs, and value-based care organizations, fostering market leadership through innovative solutions and C-Suite engagement. Known for her expertise in value-based care, consumer engagement, and provider optimization, Nancy has consistently delivered exceptional results, including managing portfolios exceeding $1.5 billion and achieving 40% annual revenue growth at Optum. A dedicated leader and community advocate, she also serves as Vice President of Membership for the Chicago Symphony Orchestra Women’s Board, championing arts and education initiatives.

Wendy Rose is a visionary healthcare leader with over 30 years of experience driving transformational change across hospitals, nonprofits, and insurance sectors. Renowned for her expertise in value-based care and strategic planning, Wendy has successfully led initiatives that enhance clinical outcomes, operational efficiency, and team performance. With advanced degrees in business administration, nursing leadership, and public health, she brings a unique blend of clinical insight and executive acumen. Passionate about innovation and patient advocacy, Wendy thrives on creating impactful solutions that align organizational goals with improved healthcare delivery.

Richard Juman, PsyD, is a transformative healthcare executive with over 40 years of expertise in behavioral health, addiction medicine, and organizational development. A visionary leader, he has spearheaded national initiatives to integrate mental health services into healthcare systems, championed clinician wellness, and driven quality improvement across diverse organizations. As a former president of the New York State Psychological Association and a sought-after speaker, Richard continues to inspire innovation and positive change in healthcare through strategic leadership and mentorship.