Meet Our Team
Discover the foundation of Prudent Advisory's success, our exceptional leadership team. Led by our visionary President and Founder, together with our dynamic and innovative Executive Director, they bring a wealth of expertise and an unwavering dedication to driving strategic transformation. Explore their remarkable careers and see how they champion our mission of sustainable growth and cutting-edge business innovation.
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President and Founder
Rangsan is the President and Founder of Prudent Advisory since 1998. With over 30 years of experience, he has successfully turned around several companies both publicly-listed and privately-held under Prudent Advisory and prior. His prominent experiences include advising and financing a private infrastructure toll-road, a public mass transit system, structuring and managing pension fund, and investment banking. Rangsan is currently sits on the Board of Director (Thailand) Government Savings Bank (GSB), Sermsuk Public Company Limited, and Patkol Public Company Limited.
He specializes in 'Business Transformation' where he assists top executives in formulating strategic shift and ensures effective allocation of their resources. Rangsan is considered by his peers to be highly skilled in Managing Conflicts and able to create a strong and successful cohesive team to a common objective. Rangsan is a certified Blue Ocean Strategy Consultant from The Blue Ocean Strategy Initiative Centre (BOSIC) in London. He is also an associate of Adizes Institute USA, considered 'the America best kept secret in consulting' methodology (according to Ken Blanchard, the author of One Minute Manager). He is a Chartered Member of the Society for Advancement of Consulting (SAC), USA. He is also on the Advisory Board of The Center for Advanced Coaching USA.
Rangsan earned his Bachelor of Science from Brigham Young University in, Provo Utah and an MBA from Joseph M. Katz Graduate School of Business at the University of Pittsburgh, both in the United States.
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Executive Director
Mac Ling is an experienced leadership consultant, executive coach, and strategic advisor with over 20 years of experience in various industries. As the founder of Coaching Collective, he has played a pivotal role in advancing leadership development in the Asia-Pacific region since 2015. Mac's distinctive approach blends sharp business insight with a profound understanding of human psychology, enabling him to adeptly guide leaders through complex transitions and challenges.
With a diverse background in software engineering, general management, and entrepreneurship, Mac offers a well-rounded perspective to his consulting work. He has successfully launched seven ventures and held key management roles at major organizations like Sprint Corporation.
His expertise is highly sought after by leading professionals and organizations worldwide, including BlackRock, HSBC, Netflix, and the US Department of Commerce. Mac's advanced certifications in coaching methodologies, trauma-informed therapy, and vertical development allow him to meet the nuanced demands of modern leadership effectively.
He holds a B.S. in Cognitive Science from the University of California, San Diego, and an M.B.A. from the Darden School at the University of Virginia. Mac has also taught courses at the University of Hong Kong and is a member of the Teaching Faculty for the Advanced Diploma in Vertically Development Coaching by Harthill.
