Board of Directors

dr vo

Tom Vo, M.D., MBA

Chairman of the Board and Chief Executive Officer

Since 2010, Dr. Vo has served as the founder and executive officer of the Nutex Entities, which operates a network of micro-hospitals that provide comprehensive and high-quality 24/7 care‎ throughout the United States. Although no longer practicing, Dr. Vo worked as an emergency medicine physician in Houston, Texas, for over twenty years. Between 2008 and 2011, Dr. Vo served as a founder and original partner at the free-standing emergency health company, Neighbors Emergency Center. Since then, Dr. Vo has been involved with the opening of over 40 FSEDs and Micro Hospitals. Dr. Vo holds a bachelor’s degree in Life Sciences from Kent State University and received his M.D. from Northeastern Ohio Universities College of Medicine. In 2004, Dr. Vo also received his MBA from Rice University. The Company believes that Dr. Vo’s unique background in the emergency hospital field and proven management experience make him well qualified to serve as a director.

warren hosseinion

Warren Hosseinion, M.D.

President and Director

Dr. Hosseinion served as Chief Executive Officer and Chairman of the Board of Clinigence Holdings, Inc. He was a Co-Founder of Apollo Medical Holdings, Inc. (NASDAQ: AMEH) and served as a member of the Board of Directors of Apollo Medical Holdings, Inc. from July 2008 until March 2019. He also served as the Chief Executive Officer of Apollo Medical Holdings, Inc. from July 2008 to December 2017, and the Co-Chief Executive Officer of Apollo Medical Holdings, Inc. from December 2017 to March 2019. And in 2001, Dr. Hosseinion co-founded ApolloMed Hospitalists.
Dr. Hosseinion received his B.S. in Biology from the University of San Francisco and his M.S. in Physiology and Biophysics from the Georgetown University Graduate School of Arts and Sciences. He earned his Medical Degree from the Georgetown University School of Medicine and completed his residency in internal medicine at the Los Angeles County-University of Southern California Medical Center.
Dr. Hosseinion’s qualifications to serve on our Board of Directors include his position as our current Chief Executive Officer. In addition, Dr. Hosseinion's experience as a physician, along with his background at Apollo Medical Holdings, Inc., brings our Board of Directors and our Company a depth of understanding of physician culture and the healthcare market, as well as a strong knowledge of the public markets.

Dr. Stites

Danniel Stites, MD


Dr. Stites is a native of the Phoenix area who, after residency, chose to return to home and raise his family in Arizona. Dan graduated from Ponce School of Medicine in 2008 and completed residency at New York Hospital Queens in Flushing, New York. Following residency, he completed a fellowship in EMS and Disaster from the University of New Mexico in Albuquerque, New Mexico. Dan is Board Certified in Emergency Medicine and continues to work full time as an ER physician. He is one of only a few state certified EMS physicians and is currently the Medical Director for several EMS agencies across the state.

john waters

John Waters

Director and Chair of the Audit Committee

Mr. Waters is a former Senior Partner at Arthur Andersen (1967-2001) with exceptional leadership skills in mergers and acquisitions, particularly reverse mergers, and 1933 Act filings with the SEC. In the last fifteen years with the firm, Mr. Waters built three very successful businesses within Andersen in the areas of merger and acquisition, manufacturing, and entertainment.
In 2001, Mr. Waters started his own merger and acquisition advisory consulting business and has consummated the acquisition of three manufacturing companies with combined annual sales of $50 million. In 2003, he participated in a group that acquired A-1 Components Corp., a wholly-owned subsidiary of United Technologies Corp. Mr. Waters led due diligence efforts and created a tax structure beneficial to both the buyer and seller.
In September 2004, Mr. Waters participated with a group of investors that acquired Metpar Corp., a $19 million manufacturer of metal sanitary and plastic plumbing fixtures. In October 2007, he participated with a group of investors that acquired World Dryer Corporation, a $20 million manufacturer of hand dryer products. He prepared Pro-forma financial statements for the lenders and assisted in obtaining financing for these transactions. In July of 2004, he was appointed Chief Administrative Officer of Authentidate Holding Corp. and led a massive restructuring of the business, and hired an entirely new executive management team. In January of 2006, he was appointed Chief Financial Officer of Avantair Inc., which was taken public through a merger with a Special Purpose Acquisition Company (SPAC) and raised $60 million in capital for this company.
From 2016 to present, Mr. Waters has served as an Advisor to the Board of Directors of the Company. Previously, he was a member of the Board of Directors of the Company and served as a member of the Audit Committee. For the past five years, he has also worked as a consultant to various companies. Mr. Waters is a Certified Public Accountant, a member of AICPA and the New York State Society of CPA's. He has a BBA degree from Iona College.

cheryl grenas

Cheryl Grenas, R.N., MSN


Since March 2018, Ms. Grenas has served as the Chief Nursing Officer at Behavioral Hospital of Bellaire. From July 2017 to March 2018, she was a consultant to start-up and existing freestanding emergency departments in the Houston Metropolitan area. From August 2015 to July 2017, she was the Regional Facility Director at Neighbors (Free Standing Emergency Departments).
Cheryl served in the United States Navy for 20 years, achieved the rank of Lieutenant Commander, and is a veteran of two deployments in support of Operation Iraqi Freedom (2005) and Operation Enduring Freedom (2011). She was awarded two Navy Commendation Medals and four Navy Achievement Medals during her service. The Company believes that Ms. Grenas’ background and experience in healthcare management roles make her well qualified to serve as a director.

mike reed

Mike Reed


Mr. Reed has been an independent consultant providing advisory services in the areas of emergency medicine, hospitalist medicine, hospital operations, risk-based payor contracts, value-based care, and physician practice operations and development since January of 2018.
From January 2019 to January 2020, Mr. Reed was Senior Vice President of Business Development and Strategic Partnerships of The Oncology Institute, a value-based oncology care company. From April 2018 to December 2018, Mr. Reed served as the Chief Executive Officer of Turtle Peak Customer Service, LLC, a Las Vegas, Nevada-based privately-held customer service company. Since August 2017, Mr. Reed has served as Senior Advisor to NueHealth, LLC, based in Leawood, Kansas, a privately-held developer and investor in lower-cost healthcare centers. ‎
From July 2009 to October 2013, Mr. Reed was President and CEO of Team Health Hospital Medicine, a division of TeamHealth, a publicly-traded company that was acquired by Blackstone in 2017. In addition, from December 2001 to November 2004, he served as the Chief Operating Officer of Pinnacle Health System, a health care solutions company providing outpatient, inpatient, claims, billing, and medical management.
Mr. Reed holds a bachelor's degree in health services management from California State University and received his master's in public health from the University of California at Los Angeles. The Company believes that Mr. Reed's long-standing career as a professional healthcare executive within the emergency medicine system and value-based care make him well qualified to serve as a director.

mitchell creem

Mitchell Creem


Mr. Creem has spent over 30 years as a "C-level" executive of healthcare organizations and brings strong business ‎evaluation and operational experience to the Company. From July 2017 to present, Mr. Creem has served as ‎President of The Bridgewater Healthcare Group, which provides hospital and health network management services ‎and performance consulting. From October 2015 to July 2017, Mr. Creem served as the CEO and CAO of Verity ‎Health System, a six-hospital system in California.
From October 2012 to October 2015, he served as the CFO and Board Member of ‎Apollo Medical Holdings, Inc. (NASDAQ: AMEH) ("ApolloMed"). Before ‎ApolloMed, he served as the CEO of the Keck Hospital of USC and USC Norris Cancer Center. Prior to his tenure ‎at USC, he served as the CFO and Associate Vice Chancellor of UCLA Health Sciences, including UCLA Medical ‎Center, the Geffen School of Medicine at UCLA, and UCLA Faculty Practice. And prior to UCLA, he served as CFO of ‎Beth Israel Deaconess Medical Center, a Harvard University teaching hospital, and CFO of Tufts University ‎Medical Center.
Mr. Creem also worked for several years in a senior management position at the healthcare ‎practice group of PricewaterhouseCoopers, where he was responsible for numerous consulting engagements, ‎financial statement audits, and financial feasibility studies. He has been a guest lecturer at USC, UCLA, and ‎Harvard.
Mr. Creem holds a B.S. in Accounting and Business Administration from Boston University and a ‎master's degree in Health Administration from Duke University. Mr. Creem's qualifications to serve on our Board ‎of Directors include over 30 years of corporate experience working as a senior executive in the healthcare industry ‎and prior service on private and public company boards.