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Experts & Advisors

David Dellar

Senior Managing Director

Photograph of David Dellar

Index Tower, Unit 1701, DIFC
Dubai, United Arab Emirates

+971.4.226.2436 Main
+971.54.307.2872 Mobile

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David Dellar is a Senior Managing Director at Ankura based in Dubai. He is a chartered structural engineer and testifying delay and disruption expert witness with over 25 years of experience in the engineering and construction industry.


David is highly experienced in leading expert witness and advisory audit commissions on a range of construction projects, on both live projects and those in formal dispute. He has previously worked with different forms of procurement, including JCT, NEC, and FIDIC. More recently, he has been exposed to large and complex process facilities carried out under bespoke EPC contracts.

David has worked on both onshore and offshore oil and gas infrastructure projects including refineries, gas processing, and piping projects. He has extensive experience in disputes relating to commercial, shopping malls, residential, and industrial projects. He applies his skills and experience to construction related projects, specifically across the MENA region.

David has developed expertise in the principles and practical procedures required to identify causes of delay in large construction and infrastructure projects. He is a chartered member of the Institution of Structural Engineers and a practicing member of the Academy of Experts.

David’s professional experience includes:

  • Oil and gas projects based on EPC contracts including carrying out a joint expert role on an $8 billion oil refinery and acting as an independent delay expert witness on ICC arbitrations for a gas power plant and two piping installations relating to underground LPG storage ranging from disputes worth $10 million to $40 million in time related claims.
  • Solar power projects in Saudi Arabia and Argentina carrying out delay analysis and producing initial reports on the causes of delays and acting in an ICC arbitration worth over $16 million in time related claims.
  • Rail projects in KSA, Qatar, and UAE carrying out an analysis of the civil works and specialist rail system installations on behalf of the contractors, acting in an ICC arbitration worth over $80 million in time related matters.
  • Commercial projects in UAE ranging in scope from fit out of headquarter style buildings to one-of-a-kind multiuse towers with architectural or structural engineering significance. Involved with clients providing either claims review or independent expert advisory consultancy services, assisting clients with alternative dispute resolution.
  • Stadia project in Qatar acting in an ICC arbitration worth $15 million in time related matters relating to the fabrication and installation of a self-stabilized world cup stadium roof.
  • Desalinated water and power plant projects in Bahrain and UAE carrying out independent reviews of time related claims on behalf of the employer.
  • Dredging projects in Canada and Kenya as part of port expansion subcontract.
  • MBA, Construction Executives, Manchester Business School Worldwide
  • MSc, Construction Law & Dispute Resolution, King’s College London
  • BEng, Civil Engineering, University of Warwick
  • CEng, Chartered Engineer, ECUK
Honors & Awards
  • Recognized by Who's Who Legal Construction Expert Witnesses and Construction Quantum and Delay
  • Who’s Who Legal says: "David Dellar is lauded for his 'thoroughness and expert knowledge of technical issues' as well as his 'detailed understanding of delay analysis and strong analytical skills'."
  • Who's Who Legal says: "David is a highly experienced delay expert." "He is able to explain matters in an easy-to-understand way."
  • Who's Who Legal says: "The 'great' David Dellar 'knows his stuff and is easy to work with'." "He produces impressive graphical illustrations for delay analysis."
  • Legal Experience Training Advanced Professional Award in Expert Witness Evidence (LETAPAEWE) Accredited by Edexcel at Masters/BTEC Level 7, UK
  • Member, Institution of Structural Engineers
  • Member, Society of Construction Law (Gulf)
  • Member, Academy of Experts

Thought Leadership

News & Events

January 26, 2024

Ankura Announces 2024 Senior Managing Director Promotions

New promotions underscore the Firm’s successful growth and transformation Today, Ankura Consulting Group, LLC (“Ankura”), a leading global expert services and advisory firm, announced the promotion of seven professionals to Senior Managing Director. This news underscores the Firm’s ongoing commitment to advancing the careers of its world-class consultants who are considered to be leading experts ...

October 3, 2023

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

Ankura is pleased to announce that 66 of our professionals have earned a well-deserved spot among advisors worldwide in the Who’s Who Legal: Consulting Experts 2023 list. This recognition highlights the exceptional depth of our advisory services spanning diverse sectors and geographical regions. This recognition underscores the parallel proficiency in several critical areas including: Forensic ...

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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