A nationally recognized healthcare executive with more than 25 years’ experience and expertise, Todd is responsible for overseeing AON’s day-to-day operations, including practice operations, information technology, care management, oversight of central ancillaries and research, and human resources.

In his role as Florida Cancer Specialists (FCS) Chief Operating Officer, he is responsible for the day-to-day operations within the corporate office and nearly 100 locations throughout Florida.

Prior to his role as COO of FCS in 2011, Todd was Senior Vice President and Chief Information Officer for US Oncology. As part of the senior management team, Todd helped set organizational goals and objectives, oversaw strategic project prioritization, and led tactical execution of company-wide initiatives. He was also responsible for all day-to-day operational aspects of information technology and strategic direction for the information technology needs of the organization. While Senior Vice President and Chief Information Officer, he was named to the Information Week 500 and received the ComputerWorld/IDG Laureate Award, recognizing individuals and organizations that use information technology to benefit society. During his tenure at US Oncology, he also held positions as the Director of Enterprise Applications and Vice President of Information Systems. Todd’s consulting and management experience in healthcare information technology includes positions with Datamedic Corporation (acquired by VitalWorks and later Amicas Corporation), Multum Corporation (acquired by Cerner Corporation), and MedE America (acquired by WebMD and later HLTH Corporation).

Todd received a bachelor’s degree in health policy and administration from Pennsylvania State University. Todd has presented at national industry conferences including multiple Community Oncology Alliance (COA) conferences as well as national and regional information technology conferences.

After receiving his medical degree from Ross University School of Medicine in the West Indies, Dr. Patel completed a residency in internal medicine at the Medical College of Georgia in Augusta, Ga. and at Vanderbilt University Medical Center in Nashville, Tenn.

Dr. Patel is Board-certified in medical oncology and hematology. Dr. Patel is deeply committed to clinical trials research, and he previously served as director of clinical trials for an Institutional Review Board in Gaston, N.C., with responsibility for protecting the rights and welfare of patients involved in research. He has been published in several prestigious journals, including the International Journal of Cancer.

Prior to entering clinical practice, he served as a teaching assistant in biochemistry and anatomy at Vanderbilt University and as an instructor of hematology/oncology to second-year medical students at Meharry Medical College in Nashville.

Steve represents the AON Advisory group from The Zangmeister Cancer Center (ZCC). He joined ZCC as Executive Director in 2017. Steve is the former Chief Executive Officer of the Robert C. Byrd Clinic at the West Virginia School of Osteopathic Medicine in Lewisburg, W. Va. He previously served as CEO and CFO of University Medical Associates, Inc. in Athens, Ohio, and President & CEO of OhioHealth Doctors Hospital in Nelsonville, Ohio.

Brian oversees practice operations for AON in the western United States. With nearly 20 years of operational and financial management experience in the healthcare services industry focusing on oncology, Brian possesses strategic vision for developing and executing effective business strategies to ensure the success of community-based oncology practice.

Prior to joining AON, Brian served as chief of operations and strategic development for Arizona Oncology. Through a unique blend of tactics, leadership ability and technical skills, Brian, over the last 17 years, played an important role in growing one of Arizona’s largest community oncology groups.

Brian served as a medic/pharmacy technician in the United States Army. He attended Southwest Texas State University in San Marcos, Texas, where he earned his undergraduate degree in health professions and his master’s degree with honors in healthcare administration. He has a strong compassion for patient advocacy, and since 2008, has served on the advisory council board for the International Cancer Advocacy Network (ICAN). He is also a board member of the Amanda Hope Angels, a pediatric oncology charity, based in Phoenix, Ariz.

In his spare time, Brian enjoys reading, bike riding and the occasional round of golf. He resides in Phoenix with his wife, Natalie, and children, Zachary and Cassidy.

Dr. Patel serves on the AON Advisory group also representing Zangmeister Cancer Center located in Columbus, Ohio. Dr. Patel received his M.B.B.S. from Baroda Medical College at Maharaja Sayairao University in Gujarat, India, where he completed his internship and residency in pathology. Formerly a research associate at the University of Illinois at Chicago, he completed his residency in internal medicine at Chicago’s Cook County Hospital and his fellowship in hematology/oncology at the University of Cincinnati. Dr. Patel is a diplomate of the American Board of Internal Medicine in medical oncology.

The author of many peer-reviewed publications, Dr. Patel is a member of the Community Oncology Alliance, Columbus Medical Association, The Ohio State Medical Association, Ohio Hematology Oncology Society and the American Society of Clinical Oncology.

Dr. Elwood serves on the AON Advisory group representing Zangmeister Cancer Center located in Columbus, Ohio. After receiving his medical degree from the University of Nebraska School of Medicine, Dr. Elwood completed his internship at Wilford Hall Medical Center, Lackland Air Force Base, then attended Flight Surgeons School at Randolph Air Force Base. He completed his internal medicine residency at the University of Nebraska Medical Center, followed by an additional year as chief resident. He completed his fellowship in the Hematology-Oncology Division at the University of Colorado Health Sciences Center. Dr. Elwood is Board-certified in hematology, medical oncology, and internal medicine by the American Board of Internal Medicine.

Dr. Elwood served in the United States Air Force as a flight surgeon and on active duty in Public Health Service. From 1994 to 2000, he was Lead Clinical Investigator and served on the attending staff in the Lymphoma Clinic at the Developmental Chemotherapy Section/National Cancer Institute/National Institutes of Health. Dr. Elwood is the recipient of the EEO Officer’s Recognition Award, Public Health Service Commendation Medal, Public Health Service Bicentennial Unit Commendation, and the National Research Service Award.

He is a member of the American Society of Hematology, American Association for the Advancement of Science, Community Oncology Alliance, Columbus Medical Association, Ohio State Medical Association, the Ohio Hematology Oncology Society and the American Society of Clinical Oncology.

Dr. Divers represents Genesis Cancer Center, with eight locations in Arkansas, on the AON Advisory Group. Dr. Divers is originally from Mississippi, but currently lives in Hot Springs, Ark. He received his medical degree from Louisiana State University School of Medicine in Shreveport, La. He completed his residency at the University of North Carolina, followed by his fellowship at the University of Alabama at Birmingham Cancer Center, which has been named in the top 20 cancer centers in the nation by U.S. News & World Report.

Dr. Divers received several awards and was recognized for his outstanding work during his training. In addition, Dr. Divers serves on the boards of the Community Oncology Alliance and ION. Board-certified in internal medicine, medical oncology and hematology, Dr. Divers is active in clinical research, including trial data which he presented at AACR.

Dr. Castine represents the AON Advisory Group from Hematology/Oncology Clinic in Baton Rouge, La. He earned his medical degree from Louisiana State University School of Medicine in New Orleans, La., and completed his internship, residency, and Hematology/Oncology Fellowship at the University of Alabama at Birmingham.

A native from New Orleans, he moved to Baton Rouge in 1999 following training. Dr. Castine is Board-certified in internal medicine, hematology, and oncology. His practice centers around the treatment of all cancer diagnoses, as well as, the diagnosis and treatment of disorders of the blood such as anemias and clotting disorders.

Dr. Castine has volunteered time in the community as the president of the Louisiana Oncology Society for three years. He also serves on various local hospital committees and is a member of several local social and charitable organizations.

Dr. Orman received his BA in biology from St. Louis University and his Doctorate of Medicine from the University of Tennessee Center for the Health Sciences, Memphis, Tenn. He completed his internship and residency training in internal medicine and fulfilled a research year in immunology at the University of Tennessee. He was awarded his Fellowship in Hematology & Oncology at the George Washington University Medical Center, District of Columbia. Dr. Orman has participated as a sub-investigator in nearly 100 clinical research trials and has been published in Cancer Genetics and Cytogenetics, Archives of Internal Medicine, and the Journal of Clinical Oncology.

In 1985, he joined Venice Oncology Associates which later merged with Florida Cancer Specialists in 1998. During his career, Dr. Orman has served on the Board of Directors for the Florida Society of Clinical Oncology, on the Board of Directors of Venice Regional Medical Center and as Chief of Staff of Venice Regional. He has been the recipient of the “Hope Award” for the Wellness Community of Southwest Florida.

Dr. Orman retired from clinical practice in 2017 but continued his role as Assistant Managing Partner of Florida Cancer Specialists. Currently, his sole focus is serving as Chairman of the inaugural Board of Directors of American Oncology Network, LLC, and will continue to lead the organization in that capacity.

Mark serves as Chief Information Officer for the AON Advisory Group and is responsible for overseeing information technology across the American Oncology Network (AON) organization. Prior to joining AON, Mark served for nine years as Vice President of information technology at Promise Healthcare, Inc., the nation’s 5th largest long-term acute care (LTAC) hospital company, where he was responsible for the leadership and planning of information technology for all the Promise Healthcare locations. Before joining Promise Healthcare, Mark worked as an Operations Analyst for The GEO Group, an international private prison management company with over 100 facilities.

A native of Poland, Mark began his career as a teacher of literature and holds a Master of Arts degree in literature from the University of Wroclaw in Poland. After moving to the United States, he entered the IT field and transitioned to healthcare IT where he quickly embraced the impact technology would have on healthcare operations and patient care. Mark specializes in envisioning, managing and supporting IT solutions that support ongoing improvement and continuity of high-quality patient care. Mark and his wife Iwona reside in Fort Myers and enjoy travel, and all beach related activities.

Sarah is responsible for all aspects of revenue cycle management while delivering a positive patient experience. Sarah’s responsibilities also include fostering payer partnerships while leading AON’s value-based care initiatives to enhance innovative payment programs to support the delivery of high-quality cancer care.

In her role as Florida Cancer Specialists’ (FCS) Chief Revenue Officer, she has held several finance-related positions and she provided strategic direction to various departments that lead to increasing responsibility such as patient financial services, insurance collections, and cash applications while developing positive payer relationships and spearheading multiple partnerships with innovation value-based agreements as well as leading the partnership with CMMI through the implementation of the Oncology Care Model (OCM) to all of FCS’ cancer centers throughout the state of Florida.

Sarah serves as Clinical Practice Committee Member for the Florida Association of Clinical Oncology (FLASCO) and works closely with the Community Oncology Alliance (COA) on reimbursement and practice transformation strategies towards value-based care. She has been recognized by the Florida Association of Clinical Oncology (FLASCO) as the inaugural recipient of the Distinguished Service Award for her continued support of facilitating resolution of reimbursement issues for oncologists in Florida.

Sarah holds a Bachelor of Science degree in business management from Nova Southeastern University and an MBA degree from Western Governors University with a concentration in healthcare management.

Sarah has been quoted and interviewed by the American Journal of Managed Care (AJMC) on various topics ranging from OCM to enhancing the revenue cycle process.

Dr. Rajendra represents the AON Advisory group from Loudoun and Reston counties in northern Virginia. He attended St. John’s Medical College in Bangalore, India. After completing his internal medicine training at Grant Hospital in Chicago, Ill., he completed his fellowship in medical oncology and hematology at Washington Hospital Center in Washington, D.C.

During his training, he conducted research on breast cancer, lung cancer, and ovarian cancer. Dr. Rajendra is Board-certified in internal medicine and medical oncology. He founded Oncology/Hematology of Loudoun and Reston in 1997.

Dr. Rajendra has earned many accolades for his work. In 2014, he was the recipient of the Inspire Award from the Tigerlily Foundation. He was selected as a Top Doctor in Washingtonian Magazine’s annual survey of top physicians as chosen by their peers from 2008 – 2016. He has been named one of the area’s ‘Super Doctors’ by Key Professional Media, Inc., and honored as one of the Washington, D.C. area’s ‘Outstanding Physicians’ by Washington Consumer Checkbook magazine. He has been recognized as a Staff Star at Inova Loudoun Hospital and served for many years on the Cancer Committee. Dr. Rajendra has twice been voted one of Loudoun County’s favorite medical specialists in Leesburg Today’s ‘Best of Loudoun’ poll.

A nationally recognized healthcare executive, Brad is responsible for guiding the growth and strategy of AON. In his role as Florida Cancer Specialists (FCS) Chief Executive Officer, Brad led the growth of the practice from 50 to more than 220 physicians, expanded the service offerings, developed and implemented the organization’s mission to provide world-class cancer care in community-based settings close to home.

Brad brings more than 25 years of physician practice management experience to his role with AON. In addition to his FCS experience, he spent seven years as CFO and CEO of several PhyCor multi-specialty physician practices, as well as seven years at US Oncology. During his tenure at US Oncology, Brad served as the Executive Director of Practice Operations for Texas Oncology. In addition, Brad was the President of Crozer Keystone Health Network, a multi-specialty physician group practice, and COO for Physician Oncology Services, a prostate cancer treatment network in Georgia, Indiana and Kentucky.

After graduating with a bachelor’s degree in accounting and passing the CPA exam, Brad spent three years as an auditor and consultant at Big 8 firms Arthur Andersen and Coopers and Lybrand; he later earned his MBA from the University of Pittsburgh, while working at the University of Pittsburgh Medical Center.

Brad is committed to his community and serves as a volunteer with Big Brothers/Big Sisters. He also served as Chairman of the Board for the Florida Cancer Specialists Foundation from 2010 to 2018, which provides non-medical financial assistance to qualified cancer patients in Florida. Additionally, Brad served as the 2016 and 2017 Florida Chair of American Cancer Society’s CEO’s Against Cancer, a program of the American Cancer Society.