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VERTEX has Experts that Talk the Talk and Walk the Walk.

Unlike others, VERTEX provides forensic consulting alongside traditional AEC services which allows for a 360 degree view of your project.

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VERTEX delivers innovative solutions on complex projects globally.

Since 1995, VERTEX has completed over 90,000 projects.

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Stay current with our industry experts as they share their insights and knowledge on the built environment.

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VERTEX is looking for talented individuals to join a highly technical team of forensic consultants, design engineers, construction managers, and environmental scientists.

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Have a question or want to speak with a technical professional?

VERTEX is a multi-discipline firm with global coverage. Our international network of resources enables us to provide multi-national clients with the most qualified local professionals who understand the culture, language, and regulatory framework.

Call Us: 888.298.5162

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Call us at 888.298.5162.

Cristal BrunMBA

Senior Director, Forensics

Ms. Brun brings over 20 years of experience in forensic accounting investigations, commercial damages, litigation consulting, corporate finance, auditing, and strategic advisory for publicly-traded, closely-held, and public sector entities. She has led multiple engagements across a broad variety of industries and Fortune 500 firms.

Ms. Brun specializes in providing economic damage quantification in breach of contract, class action matters, and other commercial disputes. She has managed engagements involving complex accounting and financial analysis, lost profit calculations, funds tracing, assessment of business practices, and internal controls. Additionally, she has significant experience conducting forensic accounting investigations of alleged fraud, money laundering, asset misappropriation, and related issues.

Ms. Brun also has extensive experience working with government entities and government contractors in matters involving monitoring and accounting of federal funds, allegations of breach of fiduciary duties, contract termination claims, and bid protests.

She has provided business and litigation consulting services for clients domestically and internationally across various industries, including construction, pharmaceutical, consumer products, healthcare, telecom, leisure & hospitality, investment banking, financial services, auto manufacturing, distribution, retailing, defense, aerospace, and the government sector.

Ms. Brun has testified as an expert witness in Federal Court and arbitration, and has worked with the Department of Justice (DoJ), the U.S. Securities and Exchange Commission (SEC), Federal Trade Commission (FTC), corporate boards, audit committees, and other stakeholders.

Prior to her current role, Ms. Brun was a Partner at Yip Associates and previously she was a Senior Director with Alvarez & Marsal, Disputes & Investigations group. Prior to that, she worked for Navigant Consulting and PricewaterhouseCoopers.

Ms. Brun holds a Master’s in Business Administration (MBA) with a concentration in Corporate Finance from The Pennsylvania State University and a Bachelor’s degree in Finance from The Pennsylvania State University.

Ms. Brun is fluent in English and Spanish.

Education & Certification

M.B.A., Master of Business Administration, The Pennsylvania State University, State College, Pennsylvania

B.S., Bachelor of Science – Finance, The Pennsylvania State University, State College, Pennsylvania

Expert Witness Services

Forensics Technical, Accounting