Solar Energy Expert Witnesses

Due Diligence Professional Services, Inc. (DDPSI )is a Construction Consulting and Expert Witness Firm that Specializes in Supporting Litigation and Representing Clients for Renewable Energy, Power, Heavy Civil, Underground Utilities, Building and other related Construction Specialty Projects. They are a diverse team with construction claims and project management expertise who value the importance of relationships and continue to distinguish themselves by showing clients that Experience + Talent + Strategy = Results.

Litigation Support - DDPS understands the complexities of dispute resolution and work extensively with attorneys to identify documents, prepare computerized document databases, establish document shared files, support witness statements, and prepare expert reports. Their construction and engineering litigation expert witnesses participate hands-on in all projects. They develop the methodology of analyses, analyze the relevant documentation, and develop support for opinions.

• Renewable Energy - Utility Scale Wind, Utility Scale PV Solar, Utility Scale Concentrated Solar Power, Biomass and Battery Storage
• Heavy Civil - Earthwork, Roads, Bridges Highways and Airports
• Power - Transmission, Distribution and Substation / Switching Yards
• Underground Utilities - Water, Reclaimed Water, Storm Drainage, Sanitary Sewer/Lift Stations, and Force Main
• Buildings - Commercial, Institutional, Industrial, and Heavy Civil
• Construction Specialties - Dewatering, Directional Drilling/Jack and Bore, Low Pressure Sewer, Fiber Optic Systems, Reinforced Earth Wall, Sound Barrier Wall, Telecommunication Infrastructure, Transformer – RCA of failures and Transmission Line Pole Remediation

Nicholas Fiduccia is President and Co-Founder of Due Diligence Professional Services, Inc. a Florida based expert witness service, construction claims specialist and project management consulting firm that focuses its practice on law firms, owners, engineering, construction firms, and contractors performing renewable energy, power, heavy civil, underground utilities, building and other related construction specialties.

Mr. Fiduccia has over 30 years of U.S. and Canadian construction experience involving construction contract disputes analysis and resolution, arbitration/litigation support and expert testimony, project management, engineering/construction management, cost and schedule control, and value-engineering.

Before co-forming Due Diligence Professional Services, Inc, Mr. Fiduccia had corporate-wide responsibility for technical management and oversight for the preparation and resolution of construction claims for 11 years for a utility-scale renewable energy and heavy civil infrastructure contractor, plus over 19 years of hands-on experience to ensure that profit, cost, schedule, scope, quality, and safety objectives were achieved for renewable energy, power, heavy civil, underground utilities, building and other related construction specialty projects.

Ron Ritter, Vice President and Co-Founder of Due Diligence Professional Services, Inc. has been responsible for on-site project management for Wind, Solar, Battery Energy Storage System (BESS) Projects, Heavy Civil Projects, and Underground Utility Projects over the last 25 years.

Mr. Ritter’s expertise in a full array of self-perform and key subcontractor oversight has allowed him to execute multiple EPC contracts successfully and safely. 

Before co-forming Due Diligence Professional Services, Inc, Mr. Ritter successfully built a career in the construction industry that consisted of 45 years of hands-on, field experience. Twenty (20) years of that field experience has been spent building and supervising the construction of renewable energy facilities. Seventeen (17) years of his construction career have been spent as the senior field representative, directly responsible for the safe, timely, profitable and quality construction of 15 wind farms in the USA totaling 2,465 megawatts.  Mr. Ritter has also worked on and supported the construction of wind farms and solar farms in Canada.  

View Due Diligence Professional Services, Inc.'s Consulting Profile.

James Parker has over 35 years of relevant industry experience specializing in Electronic Security Systems & Sensors, Electronics R&D, and New Product Development. He has in-depth knowledge of electronic product design in both Wired and Wireless Technologies and outstanding knowledge of Environmental and False Alarm Immunity. Products, such as alarm systems, that Mr. Parker led the design of, have an installed base in the millions. 

Litigation Support - Mr. Parker provides Patent Litigation support to counsel representing both Plaintiff and Defense and is experienced with civil liability, criminal and patent litigation, including Inter Partes Reviews (IPRs). He has the ability to explain complex technical material in a straight forward manner. Mr. Parker's past clients include Cravath, Swaine & Moore LLP, Weil, Gotshal & Manges LLP, Fish & Richardson PC, Alarm.com, 2GIG Technologies, and Nest Labs. His services are available nationally and internationally. 

Areas of Expertise:

Background - Mr. Parker is the Past Vice President of Engineering for Digital Security Controls Ltd. (DSC), a leading global manufacturer of electronic security systems and components with sales exceeding $400 million annually. He is currently the President at EE-Systems Group Inc. Canada (R&D) where he is responsible for overseeing new product and business development. A prolific inventor, Mr. Parker has been granted over 25 unique patents with approximately 100 patent documents published worldwide. 

View James Parker's Consulting Profile.

JOHN A. WILLIAMS, PhD, PE, ASA, MBA, CFEI, AIChE Fellow

Dr. Williams is an International Engineering and Energy Technology Expert in the engineering analysis and financial appraisals of energy, power, and manufacturing technologies, related intellectual property (patents, trade secrets, trademarks), licensing, royalty structures, market analysis, infringement, contract breach, fraud, compensatory, taxation, and lost profit damages. Dr. Williams provides engineering analysis, forensics, financial appraisals, and quantification of economic damages for oil & gas production, solar, wind, manufacturing, oil refining, chemicals, power generation, electrical distribution, steam, RNG biogas, biomass, ethanol, biodiesel, bioprocessing, food ingredients, geothermal, coal, nuclear, steelmaking, glassmaking, storage, pipelines, water treatment, and waste-to-energy technologies, equipment, construction, and facilities.

With over 40 years of industry experience in operations, R&D, cost estimating, finance, and construction (EPC, EPCM), Dr. Williams offers a unique synergy of engineering expertise and business acumen. His exceptional ability to analyze complex technical and financial matters and express them in understandable terms has made him a sought-after expert witness in litigation risk and exposure, dispute resolution and high-stakes litigation.

Dr. Williams has led EPS, a full-service engineering firm, since 1995. Since 1996, he has been recognized by AIChE, ASME, and ASA for developing and instructing courses in technology development, project management, cost engineering, financial evaluation methods, and financial appraisals of technologies and intellectual property. His credentials include:

• Accredited Senior Appraiser (ASA) by the American Society of Appraisers in Machinery & Technical Specialties: Energy, Environmental, and Manufacturing Technologies.
• Certified Fire and Explosion Investigator (CFEI) by the National Association of Fire Investigators.
• Fellow of the American Institute of Chemical Engineers.
• PhD in Chemical and Fuels Engineering from the University of Utah
• MBA in Finance from the University of Chicago
• BS in Chemistry from the University of Delaware
• Licensed Professional Engineer in over 20 states

Rand M. Manasse, CFE, is a Certified Fraud Examiner, former solar company Chief Operating Officer, and cleantech private equity investor with more than 40 years of experience in finance and operations. He is available as a consulting or testifying expert in disputes involving solar and renewable energy businesses, fraud and financial misconduct in privately held companies, distressed companies and their lenders, and the conduct of private company directors and officers.

Solar and Renewable Energy: As Chief Operating Officer of Sunrise Solar Solutions (2012 to 2022), he managed operations, design, and finance for more than 900 solar installations generating 11 GWh. As Managing Partner of Green Lane Partners, a cleantech private equity firm, he has completed nine cleantech and renewable energy investments and sits on the boards of private solar and infrastructure companies.

Fraud Examination and Forensic Review: Forensic and financial advisor to the court-appointed Chapter 7 Trustee of a Chicago commodity trading firm with more than $1 billion in revenue; forensic review and turnaround of a distressed $12 million food manufacturer for a financial creditor; and, as Operating Partner for the Church Pension Fund, identified fraudulent activity in a publishing division and led the internal investigation and its resolution with the board.

Litigation Support: In a shareholder dispute over a proposed $1.27 billion buyout financing, he built the leveraged-loan, Sources & Uses, and cash flow projection models relied on in a CPA/CFE's rebuttal expert report. He has also built 13-week cash flow forecasts and lender reporting for distressed companies.

Types of Matters: solar industry operating practices, system design and installation operations; solar project finance and investor returns; cleantech investment and due diligence disputes; asset misappropriation and financial statement fraud in privately held companies; debt service, cash flow, and lender reporting in distressed companies; director and officer conduct and breach of fiduciary duty in private companies.

Education and Credentials: MBA in Finance, NYU Stern School of Business; BS in Electrical Engineering, University of New Hampshire; Certified Fraud Examiner (ACFE); Certificate in Private Company Governance, Private Directors Association. Author of "5 Financial Statement Fraud Red Flags To Spot Post-Sripetch" (Law360, August 2026). Member of the ACFE, PDA, ACG, Business Council of Westchester, TMA, and PMI.

Joseph A. LaRovere, CEM, has over 35 years of experience as a contractor, owner/operator, technician, and consultant to the construction industry with specialties in HVAC, Mechanical, Electrical, Plumbing, Energy Management and Control Systems. Licensed PE, Project Manager, Design Professional, Construction Manager on staff.

Project Types - Health care facilities, Clean Rooms, Operating Suites, Apartments and Condominiums, Medical Office Buildings, K-12 Schools, Higher Education, Commercial Office Buildings, Highrise Buildings, Casinos, Hospitality, Assisted Living Facilities, Military Facilities, Manufacturing and Semi-Conductor Facilities

Litigation Support - Mr. LaRovere is a Forensic Expert Witness for cases involving HVAC, Mechanical, Plumbing, Construction Defects and Project Management for a variety of clients. He has worked in Arizona, California, Texas, Colorado, and Hawaii as an expert

Areas of Expertise:

Certifications:

• C.E.M. - Certified Energy Manager
• Honeywell Tridium Niagara AX
• Honeywell Tridium Niagara 4
• Johnson Controls Facility Explorer
• LEED AP BD&C (Inactive)

View Joseph LaRovere's Consulting Profile.