Joseph J. Calabro, DO, FACOEP-Dist., FACEP

President and CEO

Dr. Calabro is Founder, President and CEO of Physicians' Practice Enhancement, LLC (PPE), a Medical Practice Management Group. Dr. Calabro is also Chairman and Professor of the Department of Emergency Medicine at Seton Hall University and has a longstanding background in academic medicine, research and healthcare management.

Dr. Calabro is Board Certified in Emergency Medicine and the subspecialty EMS. He served as a Lieutenant Colonel in the US Army Medical Corps, Director of Ambulatory Care and Emergency Services at Letterman Army Medical Center for the Northern/Central California region, Officer-in-Charge of the Western U.S. Nuclear Chemical Disaster Response team, and VIP physician for US Presidents and Vice Presidents. After his military career, he served as Chair of the San Francisco Emergency Medical Care Committee, overseeing S.F. Emergency Medical Services and was Principal Investigator for the California Statewide Loma Prieta Earthquake Response research project. Dr. Calabro has been involved in residency training for over 20 years, having founded and served as Residency Program Director/Chair of two emergency medicine residency programs.

In addition, Dr. Calabro has held numerous positions of medical leadership both regionally and nationally. He is the Regional Assistant Dean and Professor of Clinical Emergency Medicine at the University of New England College of Osteopathic Medicine (UNECOM), President of MRI (medical malpractice insurance company), and is past President of the Northeastern Osteopathic Medical Education Network (NEOMEN). He is a reviewer for numerous medical journals and has been involved in many research trials and projects and serves on numerous corporate and philanthropic boards. Dr. Calabro has also published numerous articles and chapters on various topics and is a nationally known figure in physician and healthcare management.

Dr. Calabro is a graduate of Philadelphia College of Osteopathic Medicine and completed an Emergency Medicine residency at Madigan Army Medical Center (Tacoma, Washington). Dr. Calabro also completed a flexible internship at Tripler Army Medical Center (Honolulu, Hawaii) and completed aviation medicine specialty training (flight surgeon) at Fort Rucker, Alabama.

Dr. Chris Valerian, DO, MMM

Chief Operating Officer

Dr. Valerian is a distinguished figure in the healthcare landscape, renowned for his multifaceted expertise spanning medicine, entrepreneurship, and healthcare reform. His journey began with the attainment of a Doctor of Osteopathic Medicine degree from the esteemed New York College of Osteopathic Medicine, followed by comprehensive postgraduate training in Family Medicine at Duke University.

Complementing his medical acumen, Dr. Valerian pursued a master's degree in Medical Management from the Marshall School of Business, University of Southern California, thereby fortifying his skills in blending financial analysis with clinical outcomes to advocate for quality healthcare.

Throughout his illustrious career, Dr. Valerian has been a catalyst for change and innovation in healthcare delivery. His professional interests encompass Healthcare Reform, Quality, Performance Improvement, and Population Health Management. Armed with a Black belt certification in Six Sigma, he has consistently championed excellence and efficiency across diverse healthcare settings.

Dr. Valerian's impactful leadership roles include serving as Chief Medical Officer of the hospital division of Cigna Health & Life Insurance Co., where he spearheaded clinical oversight and provider enablement strategies. Additionally, his tenure as Senior Vice President for Health Integrated, Inc. saw him driving clinical program development and the success measurement of Targeted Population Health programs.

Notably, Dr. Valerian's contributions extend beyond organizational realms. He has held faculty appointments at esteemed medical schools, mentored medical residents, physician assistants, and nurse practitioners, and served as a Senior Scholar in the Department of Health Policy at Jefferson Medical College.

A sought-after thought leader, Dr. Valerian has presented extensively on crucial healthcare topics at state, regional, and national platforms. His insights have shaped dialogues on Healthcare Reform, Patient-Centered Medical Homes, ACOs, preventive medicine, and population health management.

Beyond his professional endeavors, Dr. Valerian is a seasoned entrepreneur, having owned and operated various healthcare-related ventures, including physician billing, practice management, and outpatient infusion organizations. His entrepreneurial spirit, coupled with his clinical proficiency as an Emergency Department Physician, underscores his commitment to driving positive change in healthcare.

Dr. Valerian's impact transcends traditional boundaries, as evidenced by his media appearances, advisory roles, and contributions as a medical writer. His legacy as an award-winning physician, entrepreneur, and healthcare strategist continues to inspire innovation and excellence in the healthcare industry.

Victor Battaglia, CPA

Chief Financial Officer

Victor has over 24 years of financial and accounting management experience in private industry and public accounting. He served as CFO of several related healthcare companies with gross revenues of $150 million and has provided services across the US. Victor's responsibilities include financial reporting, budgeting, cash flow analysis, bank and credit relations, compliance reporting, capital expenditures, and A/R collections.

Samantha Clayton, RN, BSN

Director, Clinical Services & Business Development

Samantha is a highly accomplished Registered Nurse with extensive experience in management and administration of health services at numerous facilities, ensuring the delivery of integrated services in accordance with corporate regulatory guidelines. Samantha has held leadership positions such as Assistant Director of a high volume Emergency Department, management of a busy Urgent Care Department, and an Occupational Health Center at a Fortune 500 corporation. With over 20 years' experience in the acute care setting, she is accomplished in developing, reviewing, and implementing successful clinical protocols. Her areas of expertise include the development and execution of practice guidelines, health promotion, and disease prevention programs and services. Her expertise in occupational case management and interfacing with risk management to evaluate case management outcomes has earned her the praise of her peers.

Jahod Henry, RN, BS, EMT

Director, Operations & Clinical Services

Jahod Henry's journey in healthcare seamlessly bridges clinical expertise with strategic leadership, enriching every facet of patient care and organizational operations. Beginning his career at a local trauma hospital in the adult float pool, Jahod honed his clinical skills while gaining firsthand experience in diverse patient care settings.

Transitioning to administrative roles, Jahod assumed responsibility for bed management and the Transfer Center, where he orchestrated the seamless movement of patients internally and externally, including critical transfers from facilities worldwide for those requiring specialized care. This pivotal role underscored Jahod's ability to navigate complex medical logistics while prioritizing patient well-being.

Elevating his impact, Jahod transitioned to Manager of the Care Management UM team, where he spearheaded Utilization Management processes. By meticulously evaluating treatment efficiency, appropriateness, and medical necessity on a case-by-case basis, Jahod ensured optimal care delivery while mitigating claim denials, thereby enhancing both patient outcomes and operational efficiency.

His leadership journey continued as the Northern Regional Urgent Care Operations Director for one of the nation's largest MSOs, where he drove excellence in urgent care services across multiple locations. Prior to joining Physician Practice Enhancement, Jahod served as Chief Operating Officer for a leading pain management and orthopedic group servicing New York and New Jersey. In this capacity, he played a pivotal role in organizational growth and operational optimization.


Jahod's multifaceted expertise, encompassing both business acumen and clinical acuity, makes him a formidable asset to any healthcare organization. His commitment to excellence and his proven track record in enhancing both patient care and operational efficiency underscore his value as a leader in healthcare administration. We are privileged to have Jahod Henry as a cornerstone of our team, bringing a wealth of business and clinical operations skills to drive innovation and excellence.

Judy Lagana, RN, BSN, MSM, NE-BC

Director, Partnership Clinical Services

Judy has a highly diversified and successful background as a Registered Nurse and healthcare executive leader. She has been involved in the development and implementation of many high quality and effective healthcare programs and services. Throughout her career, Judy has managed and led hospital based emergency services, outpatient urgent care centers, primary care practices, occupational health centers and ambulatory clinics. She has a long tenure in acute care, and is well versed in the development of medical care protocols and systems that result in high value to the organization and to the patients they serve. Judy holds a Master's Degree in Management from Thomas Edison State College, a Bachelor's Degree in Nursing from William Paterson University, and is currently certified as a Nurse Executive by the ANCC.

John Ejdaharian, RN BSN

Director, Clinical Services

JOHNSBIO HERE.

Lisa Sinnott

Director of Human Resources

Lisa Sinnott is a dynamic leader with a rich background in human resources operations, particularly within the realm of healthcare. With a career spanning numerous roles and responsibilities, Lisa has honed her expertise in various facets of HR management, including physician contracts, labor and employee management, legal affairs, and ancillary staff recruiting.

Lisa's journey in healthcare leadership began with a strong educational foundation in nutrition. However, her career trajectory shifted as she delved into the realm of HR management, driven by a desire to make a meaningful impact in the healthcare sector. Building upon her educational background, Lisa pursued further studies in HR management, equipping herself with the necessary skills to navigate the complexities of human resources in healthcare settings.

Throughout her career, Lisa has held pivotal roles in leading academic healthcare systems across the state of New Jersey. Her tenure in these institutions provided her with invaluable experience in managing diverse teams and navigating the intricate landscape of healthcare operations.

One of Lisa's key strengths lies in her ability to drive positive change and foster engagement among providers, employees, and staff members. With a proven track record in improving provider engagement, employee engagement, staff education, and conflict resolution, Lisa has emerged as a trusted leader in enhancing organizational culture and performance.

Lisa's leadership style is characterized by a combination of strategic vision, empathetic leadership, and a commitment to continuous improvement. She leverages her expertise to streamline processes, optimize resources, and cultivate a culture of collaboration and accountability within healthcare organizations.

In her current role in physician practice enhancement, Lisa brings her wealth of experience and passion for healthcare to drive impactful initiatives that elevate both patient care and organizational performance. Her dedication to empowering teams, fostering a culture of excellence, and delivering tangible results underscores her unwavering commitment to advancing healthcare delivery.

Lisa Sinnott is not just a leader in HR operations; she is a catalyst for positive change, shaping the future of healthcare through her tireless dedication and unwavering commitment to excellence.

Dan Short

Manager IT Operations / Information Technology

As the Manager of IT Operations at Physician Practice Enhancement (PPE), Dan Short brings a wealth of experience and expertise to our team. Dan embarked on his journey with PPE in 2023, initially joining as a System Administrator. With his exceptional skills and dedication, he swiftly ascended to the role of Manager in 2024, where he continues to drive our IT operations with precision and innovation.

Before joining PPE, Dan honed his craft over 16 years within the private school system of Hudson and Bergen counties. This extensive background equipped him with a deep understanding of the intricacies of IT management, particularly within dynamic and demanding environments.

Dan's commitment to excellence, paired with his proactive approach to problem-solving, ensures that our IT infrastructure remains robust, secure, and optimized to support our mission of enhancing physician practices. With his leadership, we continue to leverage cutting-edge technologies to streamline operations and empower our team members to deliver exceptional services to our clients.

Outside of the office, Dan enjoys staying abreast of the latest advancements in technology and spending time with his family. His passion for continuous learning and his dedication to his work make him an invaluable asset to the PPE team.