Hrishikesh Nashikkar

Himanshu Tiwari is Sr. Lead Tokenization at National Payments Corporation of India (NPCI), a position he has held since August 2022 and is based in Mumbai, Maharashtra. His work sits within the tokenization domain, with stated skills spanning EMV, tokenization, and product design.

Prior to joining NPCI, Tiwari served as Manager at Capgemini from May 2019 to August 2022, and before that as Technical Manager at Smart Card IT Solutions Limited from January 2017 to May 2019, where his focus was in engineering and technical functions related to card manufacturing and solutions. He holds a Master of Computer Science and Applications (MCA) from Ajay Kumar Garg Engineering College, with a focus in Computer Science. His total professional experience spans approximately 15 years.

Jagadeesh Pattaparla is Technical Lead Blockchain at National Payments Corporation of India (NPCI), a position he has held since August 2021. In this role, he implements scalable and interoperable blockchain solutions using Hyperledger Fabric, Ethereum, and Corda within NPCI's engineering function.

His technical focus spans distributed ledger technologies including Hyperledger Fabric, Ethereum, Quorum, Corda, Hashgraph, Solana, and Polkadot, with domain expertise in banking and financial services, insurance, and payment systems. He is also exploring zero knowledge proofs, quantum computing, and cryptography. Prior to NPCI, Pattaparla held blockchain roles at Accenture, where he worked as a Senior Analyst and subsequently Technical Lead Blockchain between July 2017 and August 2021, developing proofs of concept and solutions in Hyperledger Fabric, Ethereum, and Corda. Before Accenture, he spent five years at Tata Consultancy Services as an IT Analyst from June 2012 to July 2017, focused on mainframe development and production support for core banking processes serving a US-based banking client. He has approximately 14 years of professional experience across enterprise technology, with his career concentrated in banking, financial services, and payment infrastructure. No educational details are available in the source content.

Sanchit Johari is Lead Blockchain at National Payments Corporation of India (NPCI), a position he has held since August 2025. Based in Kota, Rajasthan, he works within NPCI's Engineering and Technical department at the Manager level.

Johari has been at NPCI since July 2021, progressing through a series of blockchain-focused roles. He joined as a Blockchain Graduate Engineer Trainee, a position he held until July 2023, before moving into a Senior Associate Blockchain Developer role based in Hyderabad, which he held until September 2025. Prior to his current title taking effect in August 2025, he also carried the Associate designation briefly between August 2022 and July 2023. His total experience across roles stands at approximately five years. Before NPCI, he was a member of AIESEC in the Chandigarh area for four months in early 2018. He holds a Bachelor of Technology in Big Data Analytics from Chandigarh University, where he studied from 2017 to 2021. His certifications include an Introduction to Blockchain Technologies credential from Coursera, issued in January 2020, and a Big Data Engineer Explorer Award from IBM in 2018.

Sarathy Muralidharan is Lead Blockchain at National Payments Corporation of India (NPCI), a position he has held since July 2024. His LinkedIn profile describes him as a Payments Architect and CBDC/Blockchain Lead with specialisations in cross-border payments, design, implementation, and cyber security. He carries a manager-level designation within NPCI's Engineering and Technical department.

Muralidharan has been with NPCI across multiple tenures. Prior to his current role, he served as Application Architect at NPCI from July 2022 to June 2024, also within the Engineering and Technical department at senior level. His earlier NPCI tenure spanned May 2014 to November 2021, during which he held the roles of Assistant Manager–Technology, Deputy Manager–Technology, and Senior Associate–Technology. Between his two NPCI stints, he worked as IT Business Analyst at Citi from November 2021 to June 2022, within the consulting function at manager level. Before joining NPCI initially, he was Associate Consultant–Technology at Nelito Systems Ltd from February 2012 to April 2014. His total stated experience across roles is approximately 14 years and 10 months. No educational background is included in the available source content.