Osborne Partners joins Delta Consulting Group in major expansion of international platform. The acquisition expands Delta's capabilities and establishes a broader presence across key global markets WASHINGTON, DC / LONDON - September 9, 2026 - Delta Consulting Group, Inc. today announced the acquisition of Osborne Partners Ltd., bringing together two highly regarded advisory businesses with complementary expertise, geographic reach and client relationships. The combination creates a stronger international platform of 179 professionals, with main offices in Washington, DC; New York; Toronto; Madrid; London; Mumbai; Dubai; and Singapore. Osborne Partners will operate during the transition as Osborne Partners, A Delta Consulting Group Company. Founded in 2018, Osborne Partners is an international consulting firm specializing in arbitration, economic regulation, public policy, commercial strategy and litigation, with offices in London, Dubai, Singapore and Mumbai. Delta provides multidisciplinary advisory and expert services across complex projects, disputes, investigations, insurance claims and financial matters. Osborne Partners' presence in Asia and the Middle East and complementary expertise significantly expand Delta's ability to serve clients across jurisdictions and industries. "Delta and Osborne Partners are highly complementary businesses that share a commitment to rigorous analysis, clear communication and exceptional client service," said Chris Osborne, Managing Director of Osborne Partners. "By joining Delta, we are giving our clients access to a broader range of expertise and resources while preserving the relationships, responsiveness and quality they expect from Osborne Partners." The combination advances Delta's long-term growth strategy and represents a significant step in the company's international development. Delta has grown over time by bringing together specialized businesses and professionals whose capabilities, cultures and client relationships strengthen the broader organization. "This is an important moment in Delta's evolution," said Darin L. Buchalter, Chief Executive Officer of Delta Consulting Group. "We are building a company with the scale, expertise and geographic reach to support clients wherever their most complex challenges arise. Osborne Partners gives us an established presence in several of the world's most important business and dispute-resolution markets and positions Delta for the next stage of our growth." "What stood out from the beginning was the alignment between our cultures," said Jeff Fuchs, Executive Chairman and Co-Founder of Delta Consulting Group. "Osborne Partners has built an outstanding business by trusting talented people, maintaining high standards and staying close to its clients. Those principles are deeply familiar to us." Osborne Partners joined Delta Consulting Group through a transaction completed on August 14, 2026. Financial terms were not disclosed. About Delta Consulting Group. Delta Consulting Group is a multidisciplinary advisory and expert services company that helps clients navigate complex projects, disputes, investigations, insurance claims and financial matters. Since 2000, Delta has advised leading law firms, government agencies and multinational companies on a wide range of technical and financial matters. Its team of employee-owners brings together engineers, accountants, economists, investigators, valuation and damages experts and project advisory professionals to provide independent analysis, practical advice and credible expert testimony that stand up to scrutiny. Delta serves clients worldwide from offices across North America, Europe, the Middle East and Asia. Media contact. Carrie Sherreard Director of Marketing, Delta Consulting Group [email protected] 301-996-6656

Delta Consulting Group appoints Thomas M. Gannon as Chief Legal Officer. JUNE 9, 2026, Washington, DC - Delta Consulting Group announced the promotion of Thomas M. Gannon from General Counsel to Chief Legal Officer, expanding his leadership responsibilities and recognizing his contributions to the company's continued growth and strategic development. In his new role, Gannon will oversee Delta's global legal strategy, corporate governance, risk management and compliance functions while continuing to serve as a trusted advisor to the executive leadership team. Gannon has more than three decades of legal, business and risk management experience spanning construction, engineering and manufacturing industries. Throughout his career, he has advised executive teams and boards of directors, led high-stakes litigation and dispute resolution efforts, negotiated complex commercial agreements and developed enterprise risk management programs that support business growth. "Since joining Delta as General Counsel, Tom has been an invaluable member of our leadership team," said Darin L. Buchalter, Chief Executive Officer. "His leadership has helped strengthen our organization, manage risk and support our continued growth. This promotion reflects the significant impact he has made across the firm, our confidence in his ability to help guide Delta through its next chapter and the expanded role he will play as we continue to grow both domestically and internationally." Before joining Delta, Gannon served in leadership roles at Permasteelisa North America Corp., where he advised executive leadership on legal, operational and business matters throughout the United States and Canada. In addition to his North American responsibilities, he worked closely with senior executives, legal leaders and business units across Europe, South America, the Middle East and Asia, providing strategic counsel on complex legal, commercial and operational matters. His experience collaborating with global leadership teams and international stakeholders will support Delta's continued expansion and service to clients around the world. "I am honored to take on this new role and continue supporting Delta's growth," Gannon said. "The company has built a reputation for excellence, integrity and client service, and I look forward to working with our professionals across the globe as we continue to expand our capabilities and deliver value to clients around the world." 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. Its multi-disciplined professionals in engineering, accounting, finance, economics, investigations, fraud, construction, insurance, project management and litigation support deliver independent advice to resolve its 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).

WASHINGTON, Jan. 8, 2025 /PRNewswire/ -- Delta Consulting Group, an employee-owned expert advisory consultancy specializing in construction, forensics, investigations and valuation, announced today the elevation of Jeffrey Fuchs to Executive Chairman and Darin L. Buchalter as its new Chief Executive Officer. These leadership changes underscore Delta's commitment to continued strategic growth, delivering exceptional results for its global clients, and cultivating a positive, supportive, and fulfilling work environment for its employees. Jeff Fuchs, Delta co-founder, will continue to provide expert services, deliver strategic guidance, foster strong relationships with key clients, and champion the company's core values -- principles that have been the foundation of Delta's success over the past 25 years. Under his leadership, Delta has grown organically, expanded through strategic acquisitions, and cultivated top talent, evolving into a comprehensive provider of forensics, investigative, and dispute resolution services