William R. Acorn is founder of Acorn Consulting Services, LLC, an engineering firm. As a consulting mechanical engineer, Bill provides project analysis, forensic reconstructions and litigation support services relating to the design, delivery, and functioning of high-tech manufacturing facilities, semiconductor fabrication facilities, institutional laboratories, data centers, health care facilities and a variety of commercial buildings. He is a recognized expert in the evaluation of deficiencies in HVAC systems, cleanrooms, piping systems, refrigeration systems, construction defects, building and fire code compliance, and patent and trade secret disputes. He represents both plaintiffs and defendants.
Bill has more than 40 years of experience as a professional engineer and is a recognized expert in assessing, evaluating, remediating and providing testimony on complex project design, construction and operational matters. His consulting expertise has been influential in shaping approaches to code compliance and life safety in semiconductor and similar advanced technology facilities.
Building Systems Analysis:
Bill’s pragmatic approach to both forensic and litigation consulting as well as project consulting is based on more than 40 years of real-world experience as a design professional, mentor and forensic analyst, as well as many years as an instructor in professional and academic settings.
Represented both plaintiffs and defendants in a variety of jurisdictions throughout the US and Asia. Bill’s ability to explain complex issues to non-technical audiences, including juries, mediators and judges, is a key to successfully solving your litigation challenges.
Acorn Consulting Services
Consulting Services: Services range from peer review to conceptual design to development of strategies and programs for expedited project delivery.
Bill frequently acts as an owner’s agent and mentor, functioning as an extension of the owner’s project team. On other projects, Bill serves as a subject matter expert assisting project delivery firms in their development of viable solutions and review of construction documents.
As a project consultant, Bill assures the project gets off to the right start and provides his expertise through completion and operation to maximize return on investment.
Consulting Expertise Includes:
Since 2010, Craig Moskowitz, MBA, MS, PE, the President and Managing Member of CLM Engineering Associates, LLC (CLM), has been concentrating the comapny's focus on forensic engineering/expert witness work for the insurance industry and legal community. In addition, they offer construction management, civil engineering and building inspection services.
CLM has extensive construction management experience on both commercial and residential projects. Projects have included:
Litigation Support - Forensic work related to evaluation of structural steel systems with commercial building construction and insurance-related claims due to storm damage on commercial and residential structures. Craig Moskowitz has been deposed several times in litigation matters. Mr. Moskowitz has testified 17 times in the past four years.
|Northern California Office|
101 Parkshore Drive Suite 100
Folsom, CA 95630
|Southern California Office|
17901 Von Karman Ave Suite 600
Irvine, CA 92614
Paul Gentosi, CFLC, FEWA has over 45 years of very diverse and extensive General Contracting experience from journeyman tradesman to upper-level management throughout Orange, Los Angeles, Riverside, and San Bernardino Counties. He has general contracting experience in varied disciplines including commercial, industrial and multi-family construction.
Litigation Support - Mr. Gentosi and his team at Gentosi Construction Consulting & Litigation Support have been providing Construction Management expert witness services for over 10 years. They have been involved in three trials in Superior Court, five depositions, five mediations, and two arbitrations, and many cases that settled due to their expertise. With four decades of experience, they are in a strong position to provide services to attorneys representing plaintiff and defendant.
Areas of Expertise:
Prof. Makarand (Mark) Hastak, PhD, PE, CCP, is the Professor and Head of the Division of Construction Engineering and Management as well as Professor of Civil Engineering at Purdue University. Dr. Hastak has been involved with the construction industry for the past 32 years providing his expertise through consulting, research, teaching, and service to the industry. He is a world renowned expert in the area of construction engineering and management including process improvement, disaster risk reduction, resilience and capacity building, infrastructure management, intelligent planning for the built environment, cost control, project management decision-making, risk management, and strategic planning. Dr. Hastak is a Professional Engineer (PE) and a Certified Cost Professional (CCP). Prof. Hastak has worked on numerous projects sponsored by the Construction Industry Institute (CII), NSF, State DOTs, and City Agencies. He has authored over 200 publications on process improvement, project controls, capital rehabilitation planning, strategic planning, and decision-making. He has co-authored a widely used book on Infrastructure Planning, Engineering, and Economics (McGraw-Hill 2006 and 2015). Dr. Hastak served on the Education Board of the Association for Advancement of Cost Engineering (2004-2016). He was Editor for two AACE books, the Skills and Knowledge of Cost Engineering (6th Ed. 2015) and the CCP Certification Study Guide (2nd Ed. 2016). He was also the Editor-in-Chief of the ASCE Journal of Management in Engineering (2009-2016). Dr. Hastak has given over 40 keynotes and invited lectures around the world. As a prominent educator and consultant, he also engages in developing training material and workshops as well as regularly teaching professional courses for the A/E/C industry. His services include consultation, on-site investigation, data collection, assessment, and reporting. He has completed the 30-Hour OSHA Hazard Recognition Training for the Construction Industry
Dr. Hastak Lectures at the 2015 International Conference on Building Resilience
Litigation Support - Dr. Hastak offers expert witness services to attorneys representing both plaintiff and defendant. He has served as an Expert Witness on six cases since 2017 and was deposed on two plus one evidence deposition. His services include case reviews, written reports, depositions, arbitrations, and trial testimony as needed.
Areas of Expertise:
George Hedley is the founder and President of Hedley Construction and Development Inc., a major General Contractor, Owner’s Representative, and Construction Manager headquartered in Orange & Riverside Counties, Southern California. Since 1977, Mr. Hedley has built and / or developed more than 1,000 projects totaling in excess of 15 million square feet of commercial, office, industrial, and residential projects valued at more than $700,000,000. As a general contractor and construction manager, he has constructed numerous projects ranging from $3,000,000 to $10,000,000 each. Mr. Hedley has served as a Past President of Associated Builders & Contractors and Southern California Builders Association. He has presented over 500 presentations and workshops to national construction conventions including over 60 programs at the World Of Concrete. He is author of 10 construction business books including “Get Your Construction Business to Always Make A Profit!”, and several workbooks on Estimating, Project Management, Field Management, and Contracts. He has also written over 250 published articles in major construction industry publications including Construction Business Owner magazine. Construction Expert Witness - Mr. Hedley offers construction expert witness and consulting services. His areas of expertise include:
Real Estate Expert Witness - Mr. Hedley also offers Real Estate Development and Asset Management expert witness and litigation support services. His areas of expertise include:
|Philip J. Isaak, PE, P.Eng., DCDC, RCDD, SMIEEE, is an expert witness, consultant & trainer in the design, construction, procurement, implementation, commissioning & operations of information technology, telecommunications & critical data center facilities. Mr. Isaak provides clear analysis for complex disputes, incorporating industry standards, best-practices and over 20 years of consulting & training expertise working with clients located in 28 countries and territories across 6 continents.
In recognition of Mr. Isaak’s professional standing, the Institute of Electrical & Electronic Engineers (IEEE), the world’s largest professional association for advancement of technology, certified him to the grade of Senior Member, a level only 9% of IEEE’s over 400,000 global members hold. Mr. Isaak is also an author of several industry standards published by TIA & ANSI/BICSI, whitepapers published by The Green Grid, and the Data Center Handbook published by John Wiley & Sons.
|Expert Witness Services||Areas of Expertise|