"We are delighted to see Chris move into the role of CEO and welcome both Matthew and Graham to the team," said co-founder Matt Cheers.
"Chris has not only made a considerable contribution to the Split Payments business in his time as COO, but brings over 15 year's experience in investment banking. Together these senior hires bring vital corporate and financial markets experience to our business and will complement our existing executive team extremely well, helping to facilitate the next phase of growth for the company."
Jewell joined Split Payments in mid 2020. He previously held senior roles at Citi, Credit Suisse, and Goldman Sachs.
He holds a Bachelor of Business degree from RMIT University.
"Our offering, which enables our customers to differentiate their product or service through payment and open banking innovation, is unrivalled. We are working hand in hand with our clients to improve the experience for their customers and to help them eliminate costs driven by operational inefficiency," said Jewell.
Matthew Zaina, Split's incoming COO, previously worked at Goldman Sachs for almost a decade, culminating in the role of executive director and head of commodity sales for ANZ.
He previously worked in several roles at Qantas, most recently as manager of strategy, mergers and acquisitions, and as a senior treasury analyst at Normandy Mining.
Zaina holds a Bachelor of Commerce from the University of Adelaide, and a Master of Applied Finance from Macquarie University.
CFO Graham Hayworth previously worked for the Bank of Queensland (most recently as CFO) and for Virgin Money.