B. Riley Financial has acquired the assets of Interface Consulting International, an engineering and construction consulting and expert services firm.
Through the acquisition, Interface Consulting joins B. Riley Advisory Services, adding another practice to the firm’s continuum of professional services. Interface Consulting’s team of professionals, led by Chris Sullivan, president, and Lisa Sumner Heard, executive vice president, brings decades of experience advising clients on complex construction and engineering projects.
“Interface Consulting is a highly regarded expert services and dispute resolution firm with a decades-long track record of delivering exceptional service to its clients across the construction and engineering space,” Ian Ratner, co-CEO of B. Riley Advisory Services, said. “We are thrilled to welcome our newest colleagues to B. Riley. This team is an exciting addition with which to further enhance our forensic accounting and litigation support practice as we expand our professional services platform to address our clients’ most critical objectives.”
“We are proud of the legacy we have built over nearly 40 years and are excited for a bright future as part of B. Riley. Our clients have come to rely on the multidisciplined field experience and expert insight of our team to navigate challenging matters. Interface Consulting has expertise in construction claim and litigation support, including providing expert testimony in court and arbitration,” Chris Sullivan, president of Interface Consulting, said. “Many of our consultants have worked on capital projects throughout the engineering, procurement, construction and start-up phases, and this hands-on experience benefits our clients by providing industry-leading analysis and insight. The combination of our firms enhances the strategic solutions we offer through access to a full suite of services spanning forensic accounting, investment banking, advisory and much more. We look forward to contributing to B. Riley’s continued success as we carry on our tradition of providing superior claims management and expert services to our clients across the industries we serve.”
Sullivan has over 35 years of experience in engineering and project management in the U.S. and abroad. As a specialist in the commercial and technical aspects of project management, throughout his career, he has been engaged on several high-profile engineering and construction projects involving refineries, chemical plants, petrochemical and industrial facilities, oil and gas facilities, power plants, pipelines and commercial buildings. His expertise in contract execution includes project development, engineering, procurement, construction and project controls.
Heard has over 35 years of experience in the marketing, management and operations of a professional services and expert advisory firm. Her work has included providing quality service in managing client engagements, building relationships within the construction and legal industries, and providing strategic insight on the issues affecting contractors, owners and attorneys.







