James J. O’Brien, P.E., PMP, CVS,was vice chair of the board of O’Brien-Kreitzberg & Associates, Inc. He is the author or editor of many books, includingContractor’s Management Handbook, Second Edition.Fredric L. Plotnick, Ph.D., Esq., P.E.,is principal and president, Engineering & Property Management Consultant, Inc.
James J. O'Brien, P.E., PMP, CVS, was vice chair of the board of O'Brien-Kreitzberg & Associates, Inc. He is the author or editor of many books, including Contractor's Management Handbook, Second Edition.Fredric L. Plotnick, Ph.D., Esq., P.E., is principal and president, Engineering & Property Management Consultant, Inc.