Sid is a US citizen who has lived and worked in the US, Europe, and Asia for over three decades. He spent 15 years working in the United States and Europe before moving to Asia/India in 2002. During his career, Sid has advised and completed over $20 billion in transaction value, with deep experience in technology services and M&A transactions. He has led some of the largest and most innovative technology sourcing transactions ever completed, many of which are still considered watershed events in the evolution of the industry. Sid has an extensive network across global service providers in India, Europe, and the US.

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Sid writes a regular column for the Mint newspaper, the Wall Street Journal's India joint venture. The column appears in print as well as on www.livemint.com. He also writes a regular column for Financial Express, a business daily which appears both in print and online. Both columns are pro-bono and appear every week, alternating between the two newspapers. Sid is also the author of “Techproof Me” published by Penguin in 2022. The book was written after Penguin's direct invitation and request. Until the latter half of 2015, Sid was Partner & President of ISG Inc's Asia Pacific Region, Member of the Executive Board, and Chief Strategy Officer. ISG is the world's largest sourcing advisor, having completed over $500 billion in sourcing contracts. Sid was directly involved in over US$20 billion in transactions, while teams reporting to him had completed over US$80 billion. He built the India operations from scratch, starting from his living room.

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Prior to ISG, Sid held senior executive roles with IBM and KPMG Consulting/BearingPoint in the Americas, Asia Pacific, and Europe. As the executive in charge of IBM's Communications Sector consulting businesses in Europe, the Middle East, and Africa (EMEA), he held overall responsibility for a 29-nation region. As a senior Partner and member of the Strategy Council with KPMG Consulting (USA), Sid started up and grew several businesses from scratch, including the Managed Services business in North America and the firm's operations in India.

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Sid is also the Managing Partner of Siana Capital Management LLP, a VC firm that invests in Indian deep tech and deep science startups, many of which also have a large US presence and/or are incorporated in the US. He holds both an MBA in Finance and an MS in Applied Economics from the University of Rochester, as well as a Bachelor of Commerce from Bangalore University, where he was selected for a National Merit Scholarship and voted in as President of the Students' Union. Sid is an active martial arts practitioner and holds and trains as a 4th Dan Black Belt in Okinawan Shorin Ryu karate.