Soups Ranjan is the Co-founder and CEO of Sardine. Before founding the company in 2020, he served as Head of Financial Crime at Revolut and Head of Risk at Coinbase, where he developed machine learning systems for fraud and identity protection. He has more than 20 years of experience in software engineering, data science, and financial risk. He holds a PhD in Electrical and Computer Engineering from Rice University and leads Sardine's strategy and AI development.

Zahid Shaikh is the Co-founder and Chief Product Officer of Sardine. He previously held product leadership roles at PayPal, Uber, and Revolut, working on device intelligence, identity protection, login security, and financial products. At PayPal, he developed a device intelligence solution and was recognized as a Top Inventor in 2016. He studied Electronics Engineering at the University of Mumbai and software technology at C-DAC. He leads Sardine's product strategy.

Aditya Goel co-founded Sardine in 2020 and previously served as its Chief Operating Officer. Before Sardine, he led product and operations for Revolut's US expansion and worked in product strategy at Deutsche Börse and investment management at PIMCO. He holds an MBA from the Wharton School and an Electronics Engineering degree from IIT Delhi. In 2026, he announced his transition from the full-time COO role to a board and advisory position.

Kazuki Nishiura is the Chief Technology Officer of Sardine and has helped build its technology platform since 2020. Before Sardine, he worked at Bolt, helping scale its payments infrastructure, and at Google on the Google Pay team. He was also a founding engineer at two startups. He holds a master's degree in Computer Science from the University of Tokyo. He leads Sardine's engineering strategy and platform development.