Our professionals have successfully managed over 60
construction materials transactions in excess of $3 billion

Greystone professionals have longstanding relationships with executives, directors, and operators in the construction materials industry. 


Tim Oitzman
Founder and President

Tim has over 25 years of transactional experience in mergers and acquisitions, general corporate finance, management buy-outs and leveraged acquisition transactions, nearly all of which has been in the construction materials industry. Prior to founding Greystone in 1996, he served as managing director of a San Francisco-based investment bank. During the last 20 years, he has managed over 60 construction materials related transactions valued in excess of $3 billion. Considered a key participant in the consolidation of the U.S. construction materials industry, he has represented the largest global construction materials producers including Lafarge-Holcim, Cemex, Plum Creek Timber, Boral, MDU Resources, and Taiheiyo Cement in both buy-side and sell-side transactions. Tim is a 1987 graduate of Luther College, where he served 12 years on its Board of Regents and is now Regent Emeriti. In his free time, Tim enjoys golf, cycling, and spending time with his wife and two children.



Reed Shafer
Vice President

Reed oversees Greystone’s valuation and market research and manages transaction execution. With more than a decade of middle market M&A advisory experience, he has been actively involved in numerous transactions with an aggregate value in excess of $1 billion. Prior to joining Greystone in 2002, Reed lived in Washington, D.C. and was employed by Accenture (formerly Andersen Consulting) and specialized in the telecommunications and high technology sectors. He received a BS degree in Business Administration with concentrations in finance and accounting from the University of Richmond. Reed enjoys spending time with his wife and two daughters.


Jason Cuffel

Jason joined Greystone as an analyst in 2014.  He performs company and market due diligence, industry analysis, and assists in deal execution, marketing and business development.  Prior to Greystone, he held various accounting and operations roles at a residential golf development in Southern California.  Jason earned his B.S. degree in Finance from California State University San Marcos, and holds a California Bureau of Real Estate license.  Jason enjoys spending time with his wife and two kids, playing golf, hunting and fishing.


Charlene Rivera
Executive Assistant

Charlene joined Greystone in April 2001 and has over 25 years of office management experience. She oversees accounting and human resource functions, meeting and travel coordination, and Greystone’s involvement in charities. Charlene enjoys yoga and spin classes and spending time with her family.