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Twenty seven HKA experts recognised in Lexology Index’s Construction Thought Leader 2025 guide

HKA is delighted to congratulate our 27 experts recognised in Lexology Index’s Thought Leader – Construction 2025 report.

Lexology Index’s Thought Leader guides showcase the top 25% of the best performing experts in their field. Results are based on Lexology annual research that includes client and peer feedback, alongside reviewing work highlights of listed practitioners.

This year’s total for HKA sees four experts improving their Construction ranking to be recognised as Thought Leaders. They are based throughout the world and cover construction related services from delay, disruption, and quantum analysis to a range of forensic engineering and technical capabilities.

“We are delighted to see so many of our talented Construction experts listed in this year’s Construction Thought Leader report. The geographical diversity of our experts pays testament to our market-leading position in construction dispute resolution.

“Congratulations to all of our listed experts, and thank you to our clients for taking the time to provide testimonials on their work.”

Renny Borhan, Partner, Chief Executive Officer

Find out more about our featured experts below by visiting their expert profiles.

Americas

Maged Abdelsayed
Partner

Kenneth R Baker
Partner

Wayne DeFlaminis
Partner

Paul S Ficca
Partner

Bob Groves
Partner

Scott D Hollingsworth
Partner

A portrait of expert witness Richard Sieracki.

Richard Sieracki
Partner

Chris Spandau
Partner

Europe

Karen Best
Partner

Geoff Bewsey
Partner

A portrait of expert witness Gerry Brannigan.

Gerry Brannigan
Partner

Mark Dixon
Partner

Emyr Evans
Partner

Franco Mastrandrea delay and quantum expert

Franco Mastrandrea
Partner

Derek Nelson
Partner

Alex Currie
Partner

Mark Castell
Partner

Middle East and Africa

David Atkinson
Partner

Hamish Clark
Partner

Michael Tonkin
Partner

Dimitrios Tousiakis
Partner

Colin Russell
Partner

Haroon Niazi
Partner

Timothy Harwin
Partner

Asia Pacific

Jonathan Humphrey
Partner

Stephen Rae
Partner

Baoqiang Zheng
Partner

About HKA’s construction delay and quantum practices

HKA is the trusted global leader in construction delay and quantum expertise – delivering robust, evidence-based insights that stand up to scrutiny.

Our multi-skilled teams are trusted by contractors, employers, and legal advisers worldwide to decode project complexity. With decades of hands-on experience, we analyse intricate programmes and schedules to establish responsibility, causation, and the resulting time and financial impacts with clarity and credibility.

Media contact

NameLaura Whyte
TitleCorporate PR and Digital Communications Manager
Number+44 20 7618 1200
Emaillaurawhyte@hka.com
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