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Meet the Contributors

Read about the subject-matter experts who made this issue possible.


Janelle Barlow, Ph.D.
Janelle Barlow, Ph.D., is a businesswoman, author, media spokesperson, keynote speaker, and seminar leader with more than 30 years of experience in the global marketplace. She is President and Owner of TMI US and TACK-USA, both partners with a multi-national global training and consulting firm.
Paul Bartlett
Paul Bartlett is CEO of CloudPay, a global payroll and payments solution for multinational organizations. Bartlett has deep experience helping companies improve the efficiency and scalability of their operations using technology and services. As CEO, Bartlett spearheads corporate innovation and product development initiatives focused on automating client workflows and minimizing manual practices.

Charles H. Ferguson
Charles H. Ferguson is the President and General Manager, ADP APAC, who has more than 20 years of experience in the information technology industry working in Mainland China, Hong Kong, Singapore, and Indonesia. He has lived in the region for more than half of his life. Before joining ADP, Charles co-founded ReedHamilton, where he led the technology and innovation practice in Singapore and Hong Kong.

David Leboff, CPA
Expaticore Services, LLC
David Leboff, CPA, is the President of Expaticore Services, LLC, a global payroll solutions provider based in New York. David has 30 years of experience in international human resources and expatriate program management. In 2002, he formed Expaticore to serve organizations of all sizes seeking support with their global mobility policies and programs.
Samantha Mann, MAAT, MCIPPdip
Chartered Institute of Payroll Professionals
Samantha Mann, MAAT, MCIPPdip, is a Senior Policy & Research Officer for the Chartered Institute of Payroll Professionals (CIPP) who has more than 30 years of experience working within payroll in the SME sector. Sam uses her wealth of knowledge to provide technical support to the Advisory service, writing technical articles, and writing and delivering presentations.
Frank J. Mendelson
Publishing Resources, Inc.
Frank J. Mendelson is an Acquisitions Editor for the Global Payroll Management Institute. He has been working with the American Payroll Association since 2009 as an editor for PAYTECH magazine, and has presented workshops at the Annual Congress on effective communication.
Keith Rodgers
Webster Buchanan Research
Keith Rodgers is co-founder of Webster Buchanan Research, a market research and consulting company specializing in multi-country payroll. He is an active contributor to GPMI and APA publications. Visit for more information.
Kira Rubiano
Kira Rubiano is the Senior Manager of Partnerships in Europe and Asia Pac for Celergo Global Payroll. Kira manages 100+ global partnerships, which include all local partners. In addition, she is Celergo’s internal resource for all payroll knowledge in the Europe and Asia Pac regions.

Jayson Saba
Jayson Saba is Vice President, Market Research and Industry Relations at Ceridian HCM. In addition to leading market research and industry analyst relations, Jayson is responsible for Ceridian’s global marketing strategy and competitive intelligence.

Sharon Tayfield, MCIPP
Praxima Holdings
Sharon Tayfield, MCIPP, is the Chief Operations Officer (COO) of Praxima Holdings, a company that markets payroll/HR software to an international client base, and is also taking the software to the market as a SaaS and hosted solution. Sharon ensures that clients remain compliant in all the regions in which they operate, and most importantly, that their clients’ employees are paid on time.
Scott Wentz
Scott Wentz is Managing Director of Radius’ new North American tax line of service, which performs U.S. tax structuring and compliance services, including preparing federal and state corporate returns as well as transfer pricing reports. Based in San Francisco, Scott is a CPA licensed in California and a former tax partner at Arthur Andersen.
Sarona-Lee Wilde, CPP, PCP
Portland Community College
Sarona-Lee Wilde, CPP, PCP, is the Payroll Manager for Portland Community College, and has been the recipient of an American Payroll Association Meritorious Service Award in 2000 and an APA Special Recognition Award. She has also served on the APA’s Certification Board, Fundamental Payroll Certification Committee, and more.