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    John Siena

    Finance Professional

    John Siena is a Global Senior Finance and Operations Executive (CFO, COO, CEO) known for driving global business and market growth with an entrepreneurial mindset and deep business acumen. With a background in technology and international finance, he excels in enhancing operational efficiency, revenue growth, profitability, and cash flow. He has a successful track record in start-up, turnaround, and fast-growth environments across diverse industries like aviation, market research, and finance. John has led organizations globally, including in Asia and Europe, and is highly skilled in assembling and mentoring diverse teams.

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    Location

    Hong Kong