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Posidex Advisory Board
Where Vision Unites to Drive Innovation
Sanjiv K Aiyar
Strategic Advisor
Sanjiv K Aiyar is a strategic leader who has successfully managed large multi-geography teams and multi-portfolio P&Ls up to USD 2 billion. He has 40+ years of APAC and global experience in technology and telecoms and is the founder CEO of ApKar Consulting Pte. Ltd. a strategy consulting company focused on growth advisory.
Recognised for growth, Sanjiv has re-engineered operations, strengthened cyber risk management, and accelerated technology adoption. His expertise spans business turnaround, digital leadership, and talent transformation, combining a rare background of US multinational corporations and Singapore government-linked corporations (GLCs). Sanjiv is fluent in English, Tamil, and Hindi and is a member of the Singapore Institute of Directors (MSID).
Prior Experience: He is on the Board of Governors of IIM-C, a member of the CII (Confederation of Indian Industries) National Committee on Biotechnology, and a former Vice Chairman of TiE Singapore. He has been in advisory roles across a range of innovative companies in VR Sports, EdTech, Cybersecurity, Health Tech/Biotech, AI, Fintech, and IT services.
Sanjiv's Asia-Pacific and global senior leadership roles included Managing Director of Singtel Global Offices and Vice President and Managing Director for the Southeast Asia region at Hewlett Packard. He served as the founder president of Pan IIM Alumni Singapore from 2005 to 2020.
Education: Sanjiv holds an MBA from the Indian Institute of Management, Calcutta, and a B.Eng. in Electronics from Regional Engineering College, India.
Tarun Mathur
Advisor
Tarun Mathur is a results-driven and dynamic advisor with a proven track record of scaling revenue from zero to multi- million dollars and fostering key client relationships in APAC. Recognised for his expertise in sales management, new business development, and strategic planning, Tarun successfully completed joint market expansion initiatives with industry giants such as Meta, X, LinkedIn, TikTok, Snap, Pinterest, and Amazon.
With a background spanning advisory roles, board memberships, and executive leadership positions, Tarun brings a wealth of experience in digital marketing, stakeholder management, and team leadership. His strategic insights and innovative approach have consistently driven business success and positioned him as a key influencer in the industry.
Prior Experience: Tarun has held executive roles. He was co-founder and general manager at Mediaocean, where he guided APAC relationships across global media agencies, achieving 100% customer retention. More recently, he has been an advisor for SynPhNe, Hello Health Group, and Legasis.
Sanjiv's Asia-Pacific and global senior leadership roles included Managing Director of Singtel Global Offices and Vice President and Managing Director for the Southeast Asia region at Hewlett Packard. He served as the founder president of Pan IIM Alumni Singapore from 2005 to 2020.
Education: Tarun holds a Master of Business Administration in Marketing Management from Symbiosis Institute of Business Management and a Master of Science in Electronics from Savitribai Phule Pune University.
Dr. G Satheesh Reddy
Advisor
Dr. G. Satheesh Reddy is a distinguished defense and aerospace scientist with a remarkable legacy of leadership in India's defense and technology sectors. As the President of the Aeronautical Society of India, former Secretary of the Department of Defense R&D, and former Chairman of DRDO & Scientific Adviser to the Raksha Mantri, Dr. Reddy has been instrumental in driving technological advancements that have strengthened India's defense capabilities. He serves on the IISc Bengaluru Council and has been a Council Member of IITs, as well as a Special Invitee to the PM-STIAC.
Prior Experience: His journey in defense R&D began at DRDL in 1986, later joining RCI, founded by Dr. APJ Abdul Kalam. As a navigation engineer, Dr. Reddy played a pivotal role in making India self-reliant in navigation technology, developing cutting-edge inertial sensors and hybrid navigation systems. As Project Director, he led the development of India's first guided bomb, paving the way for indigenous long-range smart precision weapons. Dr. Reddy was the chief architect behind Mission Shakti, India's first Anti-Satellite Missile Test (ASAT).
He from the Royal Aeronautical Society, London—a distinction awarded to an Indian for the first time in over a century. His other prestigious honors include the National Aeronautical Prize, Aryabhata Award, Homi J. Bhabha Gold Medal, and the IEI-IEEE (USA) Engineering Excellence Award.
Education: Dr. Reddy holds an MS and PhD in Electronics and Communication Engineering from JNTU Hyderabad, following his graduation from JNTU Anantapur. He has over 35 affiliations in scientific, professional, and academic institutions worldwide and 25+ honorary doctorates.
