Pine Labs, a merchant payments company, has appointed Sameer Kamath as CFO, succeeding Marc Mathenz. Kamath, with over 20 years’ experience including roles at Avendus Capital and Motilal Oswal, will oversee global finance strategy, accounting, investor relations, among others.. Pine Labs, backed by major investors, is preparing for its IPO and is aiming for a $4.5–5 billion valuation.