September 2025 – Delta Consulting Group is pleased to announce that Sergio P. Negreira, Jr. has joined the firm as a Managing Director in the Forensics, Investigations and Disputes practice.

Sergio brings nearly three decades of experience in forensic investigations, dispute resolution and corporate compliance. He has led complex engagements across industries including construction, energy, telecommunications, healthcare, manufacturing, financial services and hospitality.

Sergio is widely recognized for his expertise in fraud and corruption risk assessments, FCPA and regulatory compliance, damages and lost profits analysis, and business interruption claims. He has testified in state and federal jury trials as well as arbitration proceedings, and has frequently operated in high-risk, cross-border environments.

“Delta’s growth continues to be driven by adding top talent who bring deep expertise and global perspective,” said Darin L. Buchalter, Chief Executive Officer of Delta Consulting Group. “Sergio’s background in forensic investigations and compliance matters, combined with his credibility as an expert, strengthens our ability to help clients navigate their most challenging disputes.”

Before joining Delta, Sergio spent nearly 28 years as a Partner at a Big Four firm, where he led the Disputes & Forensics practice across Florida, Latin America and the Caribbean. He also serves as an adjunct professor at the University of Miami, where he teaches graduate courses in forensic accounting and litigation support.

With his addition, Delta continues to expand its capacity to address complex disputes, investigations and compliance matters for clients worldwide. Ralph Koch, Managing Director and leader of Delta’s Forensics, Investigations and Disputes practice, added: “Sergio’s decades of experience leading complex, cross-border matters will be invaluable to our clients. He has a proven track record of delivering clarity in highly challenging disputes and investigations.”

About Delta Consulting Group

Since 2000, Delta Consulting Group has provided advisory, risk mitigation and dispute resolution services with prominent global law firms, government agencies, and top companies in over 90 countries. Our multi-disciplined professionals in engineering, accounting, finance, economics, investigations, fraud, construction, project management and litigation support deliver independent advice to resolve our clients’ most complex situations. A 100 percent employee-owned company, Delta was named a 2024 Top Workplace by The Washington Post and is a Company Member of the Chartered Institute of Buildings (CIOB).