Paul Caldron President and CEO
Paul Caldron, DO, FACP, FACR, MBA

Paul Caldron, DO, FACP, FACR, is a United States trained physician certified in internal medicine, rheumatology and geriatric medicine and is former CEO of the largest rheumatology group in the southwestern United States. He has been principal or sub-investigator on numerous pharmaceutical trials in the field of rheumatology. Dr. Caldron completed business training for an MBA degree at the top ranked Thunderbird School of Global Management in Arizona, USA.


Recent Publications:

Levy RM, Khokhlov A, Kopenkin S, Bart B, Ermolova T, Kantemirova R, Mazurov V, Bell M, Caldron P, Pillai L, Burnett BP. Efficacy and safety of flavocoxid, a novel therapeutic, compared with naproxen: a randomized multicenter  controlled trial in subjects with osteoarthritis of the knee. Adv Ther. 27(10):731-742, 2010.

 Barry S. Skikne, Kari Punnonen, Paul H. Caldron, Michael T. Bennett, Mari Ervasti, Gail H. Gasior, Janna S. Chamberlin, Linda A. Sullivan, Kurtis R. Bray, Paula C. Southwick. Improved differential diagnosis of anemia of chronic disease and iron deficiency anemia: A prospective multicenter evaluation of soluble transferrin receptor (sTfR) and the sTfR / log ferritin index (sTfR Index). Am. J. Hematol. 86:923–927, 2011.

 Paul H. Caldron. Russians Mourn Iconic Rheumatologist: Valentina A. Nasonova, MD, was Renaissance figure in Russian   rheumatology. The Rheumatologist, May 2011. 14-16.

Caldron PH, Gavrilova SI, Kropf S. Why (not) go east? Comparison of findings from FDA Investigational New Drug study site inspections performed in Central and Eastern Europe with results from the USA, Western Europe, and other parts of the world. Drug Design, Development and Therapy 2012:6 53–60.

John Tesser Vice President, Medical Affairs
John Tesser, MD, FACP, FACR

John Tesser, MD, FACP, FACR is a United States trained physician certified in internal medicine and rheumatology who has been principal investigator in more than 250 clinical trials in multiple medical disciplines through past work with Radiant Research. Dr. Tesser has served as a consultant for numerous United States and European Union based pharmaceutical companies.


Recent Publications:

Tugwell P, Pincus T, Yocum D, Stein M, Gluck O, Kraag G, McKendry R, Tesser J, Baker P, Wells G: Combination Therapy with Cyclosporine and Methotrexate in Severe Rheumatoid Arthritis. N Engl J Med 333:137-41, 1995.

 Genovese MC, Bathon JM, Martin RW, Fleischmann RM, Tesser JR, Schiff MH, Keystone EC, Wasko MC, Moreland LW, Weaver AL, Markenson J, Cannon GW, Spencer-Green G, Finck BK. Etanercept versus methotrexate in patients with early rheumatoid arthritis. Arthritis Rheum 46(6):1443-50, 2002.

 Tesser J, Fleischmann R, Dore R, et. Al. Concomitant medication use in a large international multicenter placebo controlled trial of Anakinra, a recombinant IL-1 receptor antagonist, in patients with RA. J Rheumatol  31(4)649-654, 2004.

Furst DE, Halbert RJ, Bingham CO, Fukudome S, Anderson L, Bonafede P, Bray V, Cohen SB, Sherrer YRS, St. Clair EWS, Tesser JRP, Weinblatt M, Dubois RW. Evaluating the adequacy of disease control in patients with rheumatoid arthritis: a RAND appropriateness panel. Rheumatology. 47:194-199, 2008.

Pavel Shafranovskiy Vice President, Corporate Development
Pavel Shafranovskiy, PhD, MBA

Pavel Shafranovskiy, PhD, MBA holds a doctorate in chemical physics in Russia and business master’s from the Open University of the United Kingdom, and is a principal shareholder in the SHAG Company. ZAO SHAG maintains eight distribution offices and 48 representatives in Russia for pharmaceuticals and durable medical products. Dr. Shafranovskiy is also General Director in the Impanta Group of companies focused on the distribution of cardiovascular implantable devices. Dr. Shafranovskiy maintains close working relationships with national thought leaders and health system directors throughout the regions.

Andrei Bazarov Medical Director, Country Manager Russia/CIS
Andrei Bazarov, MD

Andrei Bazarov, MD is Medical Director for AmeRuss and Acting Country Manager overseeing Russia, Belarus, and Ukraine. Dr. Bazarov holds a medical degree in Surgery (Russian State Medical University, Moscow). He took part as a Sub-investigator and Principal Investigator in numerous clinical studies in various fields of medicine especially surgical infections and sepsis, oncology, and vascular surgery. He is the past Executive Secretary of Surgical Infection Association of Russia (SIA-R), Secretary of the Moscow branch of Interregional Association of Clinical Microbiology and Antimicrobial Chemotherapy (IACMAC). He is currently and has been a member of Surgical Infection Society of North America (SIS-NA), the All-Russian Scientific Medical Society of Surgeons, the Russian Oncology Society, Ethics Committee of Burdenko Main Military Clinical Hospital. Dr. Bazarov is organizer and an active trainer and speaker on ICH GCP trainings, workshops, and seminars, and consultant on the Russian and CIS countries national legislations in the field of clinical trials.