Dr Saxena underwent Fellowship training in Westmead & Liverpool Hospitals, Sydney, Australia. He is an expert in the field of Pulmonology & Critical Care. He holds clinical expertise in the managing critically ill and various respiratory conditions including asthma, COPD, respiratory failure, ILD, pulmonary hypertension, smoking cessation; tuberculosis, lung cancer etc. He is also an expert in Interventional Bronchoscopy and sleep disorders. As an academic scholar, he has many publications and presentations credited to his name. He is a member of the Editorial Board of the Indian Journal of Critical Care Medicine. He has organised many workshops on various topics like Cardiac life support, Critical care support,Sleep Disorders; Asthma ; Care of ventilated patient; End of life care, Mechanical ventilation,etc.