• Chairman, CardioVascular Sciences & Chief Cardiologist, Citizens Hospitals,Hyderabad.
• Director Cardiac Cathlab, Senior Interventional Cardiologist Care Hospitals-Hyd.
• Director, Clinical Research, Care Group Hospitals, India.
• Founder Director, TCT India, South Asia.

Certifications

• Chairman,National Interventional Council,CST
• CSI, ACC, AMA, API, IMA.

• State IInd Rank in Andhra Pradesh M.B.B.S. Entrance Examination.
• S.R.Rao Research Award for best thesis in M.D.General Medicine “A study of clinical profile of cases of Sickle cell disorder in adults”.
• Founder Editor of National Medical Journal   “Post Graduate Medical Clinics of Osmania’’.
• Selected as reviewer for International Journal “Catheterisation & Cardiovascular Diagnosis’’ in 1998.

• PRINCIPAL INVESTIGATOR for Nephric –II Study – A Randomized Comparison of Iapamiro vs. Iopamidal in Diabetic Renal Insufficiency patients- Sponsored by GE Health Care. –Appreciated as Worlds leading recruiter for enrolling maximum no of patients.
• PRINCIPAL INVESTIGATOR – COREL C Multicentre Stent Study- Paclitaxel eluting, Non-polymeric, Nonporous carbon-carbon coated Cobalt-chromium stent: Clinical and Angiographic Evaluation. Sponsored by Relysis India Pvt. Ltd. - 2nd leading recruiter for the study.
• PRINCIPAL INVESTIGATOR- RE-DEEM STUDY – RandomisEd  Dabigatran Etexilate dose finding study in patients with Acute Coronary syndromes post index Event with additional risk factors for cardiovascular complications also receiving asprin and clopidogrel: Multicentre, prospective , placebo controlled, group dose escalation trial-Sponsored by Boehringer Ingelheim.-  2nd leading recruiter in the world.
• CO-INVESTIGATOR - a multinational, multicentre, randomized, parallel group, Double-blind study to assess the efficacy and safety of 1 mg, 5 Mg and 20 mg tid of oral sildenafil in the treatment of Subjects aged 18 years and over with pulmonary arterial Hypertension (PAH)- A Multicentre PAH study sponsored by Pfizer Int. Ltd.- Leading recruiters in the world.
• PRINCIPAL INVESTIGATOR- SPIRIT WOMEN CLINICAL EVALUATION :  A Clinical Evaluation of the Xience-V Everolimus eluting coronary stent system in the treatment of women with denovo coronary artery lesion (single arm study protocol) – Leading recruiter in the world.
• PRINCIPAL INVESTIGATOR –Xience-V Everolimus eluting coronary stent system (EECSS) India- Post marketing Registry- appreciated for faster enrollment rate per month.
• PRICIPAL INVESTIGATOR – AMI- Stem cell study – A Randomized, double blind Multicentric, Placebo controlled , Single dose , Phase-II Study assessing the safety and efficacy of Intravenous ex vivo cultured adult allogenic mesenchymal stem cells in patients with STEMI.- Sponsored by STEMPEUTICS Research Ltd.
• CO-INVESTIGATOR. – A Randomized, double blind Multicentric , Placebo controlled , Single dose , Phase-II Study assessing the safety and efficacy of Intramuscular ex vivo cultured adult allogenic mesenchymal stem cells in patients with Critical Limb Ischemia.- Sponsored by STEMPEUTICS Research Ltd.
• PRINCIPAL INVESTIGATOR).- prospective Evaluation of Advanced Glycosylation End-products in chronic heart failure patients -  Type II DM with stable  Heart failure patients   ( Phase II)
• CO-INVESTIGATOR - ART (Arterial Revascularisation Trial) 
• ART is a multi-centre, international, randomized trial evaluating whether the use of both mammary arteries during coronary artery bypass grafting (CABG) improves survival, and reduces the chance of recurrent chest pain and/or the need for further intervention (including surgery) compared to using one mammary artery. ART is supported by grants from the Medical Research Council and the British Heart Foundation.
• Evaluation of acute safety and efficacy of the Basal Annuloplasty Cardia Externally devise in the treatment of Functional Mitral valve Regurgitation ( Phase II )- Experienced in dp/ dt, 
• Experienced in Tissue Doppler Echocardiography.
• Multicenter Evaluation of Coronary Dual Source CT angiography in patients with Intermediate Risk of Coronary Artery Stenosis-   Leading recruiters in World. 
• CEC MEMBER – BIOFLOW- INDIA.

• Immediate and follow up results of Inoue balloon mitral valvotomy in juvenile  rheumatic mitral stenosis. N. Sinha A.Kapoor, A.Sreenivas Kumar, M.Shahi, S.Radhakrishnan, S.Shrivastava, P.K.Goel. Journal Of Heart Valve & Disease, 1997, 6:6.
• Influence of Subvalvular pathology on immediate results and follow up events of Inoue balloon mitral valvotomy.  A. Sreenivas Kumar, A. Kapoor, N.Sinha, S. Tewari, P.K.Goel, C.V. Umeshan, M.Shahi.  Accepted for publication in Int. J. cardiol. 
• Small aortic annulus: A Functional definition. Probal .K.Ghosh, Sanjeev Kumar, Shantanu Pandey, A.Sreenivas Kumar, N.Sinha, M.Shahi. Annals of Asian cardiovascular and thoracic surgery October 98.
• Small (<21mm) aortic valve prostheses - A clinical and Hemodynamic evaluation.  A.Sreenivas Kumar, Prabhat Kumar, M.Shahi, N.Sinha, Sanjeev Kumar, Shantanu Pandey, Probal K.Ghosh.  Journal of Heart Valve Disease 98..
• Periodic Intermittent Electromechanical Dissociation:Hemodynamic Correlate of a Malfunctioning Mechanical Prostheses Letter to the Ed.  P.K.Goel, M.Shahi, A.Sreenivas Kumar, R.K.Singh..  Cath Cardiovasc. Diagn. Nov.97.