Our Valuations Team

All managing members of our valuations team hold the Accredited Valuations Analyst (AVA) distinction, awarded to professionals with substantial experience in business valuations by the National Association of Certified Valuation Analysts (NACVA).

Combined, our staff has over 40 years of valuations, financial advisory, and corporate finance experience.

Supported by an analyst team with strong educational and professional backgrounds, Newbury Piret has the capabilities and knowledge to bring you quality valuation services.

Marvin W. Ritchie

Marvin W. Ritchie, AVA
Managing Director, Valuations

M.B.A., The Wharton School, University of Pennsylvania
B.S., West Virginia University, Business Administration (summa)

John J. Piret

John J. Piret, D.Sc., AVA
Managing Director

D.Sc., Ecole des Mines de Paris (France), Physical Sciences
M.S., MIT, Chemical Engineering
M.S., MIT, Sloan School of Management
A.B., Harvard College, Applied Mathematics

Aiphi Andrée Nguyen

Aiphi Andrée Nguyen

M.S., ESCP-EAP European School of Management, Finance
M.B.A, Université Sorbonne
Pharm. D, Université Claude Bernard