Delta Consulting Group is 14th in the world in the Global Arbitration Review (GAR) Expert Witness Power Index. Delta was the highest climber, up 13 places from last year.

Delta is also listed in the 2019 Global Arbitration Review (GAR) 100, which is a publication that identifies the top law firms and expert witness firms in the international arbitration discipline. According to GAR 100, “In terms of activity versus size, Delta Consulting comes out as an impressive contender in our table of energy and construction arbitrations.”

In the 2019 publication, Delta rose in the rankings:

    • Delta is 6th in the world for total number of construction arbitrations.

    • Delta is 10th in the world for the total number of energy arbitrations.

    • Delta is 21st in the world for the total number of cross examinations.


Delta Consulting Group has 9 experts recognized by Who’s Who Legal since 2015 in the following categories:

    • Thought Leaders Global Elite – Construction Experts

    • Thought Leaders – Construction

    • Thought Leaders, Consulting Experts, Economic Consulting – Quantum of Damages

    • Arbitration – Expert Witnesses

    • Construction – Expert Witnesses

    • Experts – Construction – Quantum & Delay

    • Experts – Financial Advisory and Valuation – Quantum of Damages

    • Experts – Construction – Quantum and Delay – Future Leaders

    • Construction Expert Witnesses – Future Leaders

Who's Who Legal Says...

Jeffrey Fuchs

Jeffrey Fuchs leaves sources ‘impressed by the quality of his testimony, as well as his huge experience.’” Another client comments: “He’s one of the best testifying experts that I’ve seen.

Mark Dungan
Executive VP

Mark Dungan is vaunted as “meticulous in his hard work and always reliable”, with commentators pointing to his “great demeanour which triers of fact find truthful and cogent”.

Charles Heckman
Managing Director

Charles Heckman comes highly recommended for his “extremely credible advice and opinions that are well supported” as well as his “vast knowledge of construction scheduling”.

Tong Zhao
Senior Director

Tong Zhao is a “brilliant expert” who is “very detailed-oriented” and “finds arguments that others have missed”.

Cory Milburn
Senior Director

Cory Milburn is a top-drawer practitioner who is highlighted by impressed sources for his deep understanding of CPM delay analysis.

Gene Lash
Senior Director

Gene Lash is an “Insightful and creative” expert who is “whip smart” in his observations and advice.

Brian Furniss

Brian Furniss of Delta Consulting Group is “extremely thorough” in his expert work, and possesses a wealth of experience in quantum and delay matters.

Dakus Gunn
Senior Director

Dakus Gunn is a prominent specialist on delay, quantum and productivity matters, principally in construction, infrastructure and energy cases.

Robert Cavoto
Senior Director

Respondents laud Robert Cavoto as “thorough, diligent and creative in his work”, further praising him as “responsive in his dealings and a pleasure to work with”.