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Experts & Advisors

Toshi Dezaki

Senior Managing Director

Photograph of Toshi Dezaki

2000 K Street NW, 12th Floor
Washington, DC 20006

+1.202.797.1111 Main
+1.202.973.3126 Direct
+1.786.553.0293 Mobile

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Toshi Dezaki is a Senior Managing Director at Ankura based in Washington, DC. He has 25 years of experience providing consulting services to national and international clients, primarily in the construction and government contracting sectors. Toshi works with public and private owners, contractors, architectural/engineering firms, subcontractors, and their counsel in a variety of advisory and dispute capacities. He has worked on projects located in the U.S., Canada, South America, Asia, Africa, and Europe.


Toshi’s construction and government contracting engagement experience spans a variety of industry sectors including energy (and renewables – solar, wind, and biofuels), entertainment, healthcare, hospitality, infrastructure, oil and gas, power, marine, residential, telecommunication, transportation, and vertical construction (office, mixed-use, retail, residential).

His experience in these industries includes addressing issues related to change order disputes, delays, differing site conditions, disruption (acceleration and loss of productivity), terminations (convenience/default), and lost profits, among others. He has also performed construction audits as part of ongoing project reviews and project close-outs. He is often called upon to calculate the allocation of damages between parties.

Toshi has been qualified as an expert in construction damages by both U.S. federal and state courts. In addition, he has offered verbal and written testimony in U.S. arbitrations (AAA, JAMS, private) and international arbitrations (ICC and AOA), including participation in numerous witness conferencing sessions (e.g., “hot-tubbing”).

Toshi has been recognized by Who’s Who Legal as a thought leader as well as both an expert witness and a consulting expert in the construction and energy industries.

  • MBA, Kellogg School of Management, Northwestern University
  • BS, United States Military Academy, West Point
Honors & Awards
  • Who’s Who Legal says: “The ‘excellent’ Toshi Dezaki is someone who clients state they ‘would return to without hesitation’. His practice features broad experience on construction cost analysis.”
  • Who’s Who Legal, Construction
  • Who’s Who Legal, Consulting Experts (Construction – Quantum & Delay)
  • American Bar Association, Associate

Thought Leadership

News & Events

September 16, 2022

45 Ankura Advisors Acknowledged by Who’s Who Legal as Leading Consulting Experts

Ankura is pleased to announce that 45 of its professionals have been named among the top professional advisors worldwide in the Who’s Who Legal: Consulting Experts 2022 list. This ranking exemplifies Ankura’s depth of multidisciplinary advisory experience across various sectors and geographies with experts from Asia-Pacific, Europe, the Middle East, and the Americas receiving recognition ...

May 2, 2022

Outstanding Ankura Construction Experts Acknowledged by Who’s Who Legal

Ankura is pleased to announce that 20 of its professionals have been named among the top construction advisors worldwide in the Who’s Who Legal: Construction 2022 list. This ranking demonstrates Ankura experts’ decades of unparalleled industry experience, wide-ranging knowledge, and global perspective to help clients resolve the most challenging issues they face around the world. ...

September 1, 2021

40 Ankura Professional Advisors Recognized by Who’s Who Legal as Leading Consulting Experts

Ankura is home to industry-leading talent as underscored by the recognition of 40 professional advisors as leading consulting experts in the world by an annual award program.

June 10, 2021

Ankura Experts Recognized as Top Construction Advisors by Who’s Who Legal

Ankura offers clients premier industry talent as 18 of Ankura's professionals are recognized as the top construction advisors in the world by annual ward program.

July 8, 2019

44 of Ankura’s Global Professionals Recognized by Who’s Who Legal as Consulting Experts

44 Ankura professionals from the U.S., U.K., U.A.E., Singapore, and Hong Kong are recognized as consulting experts by annual award program.

April 16, 2019

Ankura Construction Professionals Recognized as Construction Leaders by Who’s Who Legal

22 Ankura professionals are recognized as leading construction experts by an annual award program.

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