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Leadership Team


Hal J. Weaver, President 
Mr. Weaver first joined AnazaoHealth’s Nuclear Pharmacy Operations leadership team in October 2000. In 2004 he was promoted to Brachytherapy Operations Manager, where he was responsible for leading the Brachytherapy Division’s daily operations, business development and quality system design and implementation. In 2005 the Brachytherapy Division achieved ISO13485:2003 certification, which was the first Nuclear Pharmacy in the United States to achieve and allowed the Brachytherapy Division to expanded distribution globally. In August of 2008, he was appointed General Manager, Custom Pharmacy Division located in Las Vegas, Nevada. He is the on-site senior manager responsible for all pharmacy operations and Custom business development. Prior to joining AnazaoHealth, Mr. Weaver owned and operated an Information Technology services business for 10 years. He received his Bachelor of Science Degree in Management Information Systems and Decision Sciences from University of South Florida, and his MBA degree from University of Nevada, Las Vegas.

Douglas A. Berkoff, M.Acc., E.A., Vice President and Chief Financial Officer
Mr. Berkoff joined AnazaoHealth in January 2009 as Director of Finance and Accounting. In October 2010, he was appointed Vice President and Chief Financial Officer. With more than 20 years of experience in financial operations management, Berkoff has established expertise in a wide range of corporate financial affairs including cost and project accounting, corporate tax, cash flow management, capital budgeting, sales forecasting, and attainment reporting. He has held CFO and senior level management positions in both manufacturing and service-oriented industries where he managed corporate functions such as sales, production, shipping, receiving, purchasing, information technology, and human resources. Berkoff, a Florida native, completed his bachelor’s degree at the University of South Florida and earned his master’s degree in accounting from LaSalle University. In 2014, Mr. Berkoff was named as the 2014 CFO of the Year for a medium size company by the Tampa Bay Business Journal.


Timothy J. Bresnahan, Vice President, Chief Information Officer
Mr. Bresnahan first joined AnazaoHealth as an internet and systems consultant in 2000, and then became IT Manager in March of 2001. In September 2006, he was appointed Director, Information Technology. He is responsible for leading the company's information technology department, including application software development, system implementations, computer operations, communications, networking and security. In September 2008 he gained responsibility to lead AnazaoHealth's Brachytherapy division. Prior to joining AnazaoHealth, Mr. Bresnahan was an operations and systems consultant with Coopers & Lybrand and PriceWaterhouseCoopers. He received his MBA and Bachelor of Science Degree in Business Administration (Decision Information Science) from the University of Florida.


Dennis Davis, R.PH., BCNP, Nuclear Pharmacy Manager 
Mr. Davis first joined AnazaoHealth in 2016 as the Nuclear Pharmacy Manager. Mr. Davis brings a great deal of experience to his role in leading the Nuclear Pharmacy Divison operations and quality assurance. Prior to joining AnazaoHealth, Mr. Davis worked at Mallinckrodt/Covidien as a Pharmacy Manager and Corporate Operations Manager for twenty-five years. Mr. Davis is a Board Certified Nuclear Pharmacist and has been a part of the nuclear medicine community since graduating from St. Louis College of Pharmacy in 1985. He completed a nuclear pharmacy residency at the Medical University of South Carolina.




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