A/Prof Thakkar has the following key roles and responsibilities:

• Associate Professor of Medicine, Faculty of Medicine and Health Sciences, Macquarie University
• Program Lead Year 2, Macquarie Medical Program (“Macquarie MD”)
• Staff Specialist at the Liverpool Hospital (where he is involved in the multidisciplinary Pulmonary Hypertension Clinic and Clinical Trials)
• Conjoint Associate Professor, Western Sydney University
• Examiner for The Royal Australasian College of Physicians
• In previous roles, he was the Clinical SubDean of the Macarthur Clinical School, Western Sydney University (from 2013 to 2017), joint year 2 academic course advisor, elected member to the academic senate WSU, co-chair of the  Annual Scientific Meeting Program Committee of the Australian Rheumatology Association and Director of Training for the NSW Rheumatology Training Program.

As a Rheumatologist, Associate Professor Thakkar has particular expertise in the following areas:

• Arthritis. There are various types. Common types include Osteoarthritis, Inflammatory Arthritis ( eg Rheumatoid Arthritis, Gout, Psoriatic Arthritis, Ankylosing Spondylitis) amongst various others;
• Osteoporosis. This is very common, treatable and preventable;
• Autoimmune diseases. The connective tissue disease include Scleroderma, SLE (lupus), Vasculitis, Sarcoidosis and Myositis amongst others;
• Musculoskeletal problems. These include bursitis, pain (back and/or neck, for example), tendinitis, nerve pain and nerve root compression, amongst others;
• Pulmonary Hypertension and Interstitial Lung Disease. Associate Professor Thakkar is an expert in these problems when they are related to autoimmune problems.