Group Captain ER Rajappan is an IAF veteran with more than three decades of distinguished service to the nation. Much of his career was spent as Airport Director. He was a scholar at the prestigious Centre for Air Power Studies – the only Air Power think tank in India and published articles in various journals on airpower, strategic matters and airport planning and operations. He also served the United Nations in DR Congo in Africa during the Congo crisis. Post-retirement, he founded Shivayu Aerospace – now an AS 9100 and ISO 9001 Aerospace and Defence company in Bangalore. He is an accomplished corporate trainer and motivational speaker. He is now fully engaged; in designing and developing battery operated helicopters, robotic arm for space debris clearance, decoy transmitters, autonomous rovers and manufacturing high precision components for aircraft, helicopters, satellites, radars, tanks and ships in pursuit of “Make in India” and "Make for the World”.