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Meet our staff

Our team at central office, based in London (UK), works closely with the IHA Board, committees, working groups and networks to deliver our work programme. We also have a national office in China and a regional office for South America in Brazil.

Chief executive

Operations and membership

  • Kate Steel

    Kate STEEL

    Chief operations officer

    Kate is responsible for leading on all of our membership activities, as well as managing the day-to-day operations of the association. She co-ordinates...

  • Steve WHELTON

    Chief financial officer

    Steve joined IHA in 2014 as our finance director. Working across IHA’s two corporate entities, he is responsible for all finance and tax matters ...

  • Greg Tracz

    Greg TRACZ

    Chief Development Officer

    Greg Tracz joined the association in 2009 and now leads business development and strategic outreach for the association...

  • Gill McDonnell

    Gill McDONNELL

    Support officer

    Gill has been with IHA since February 2015. She works predominantly on operations and membership matters, maintaining the membership ...


  • Rose Montgomery


    Communications officer

    Rose joined us in February 2017 as communications officer. She supports the association's broad range of communications...

Hydropower development

  • Bill Girling

    Bill GIRLING

    Senior hydropower analyst

    Bill Girling, PEng joined us in 2016 as interim director of our hydropower development work programme, overseeing our...

  • Mathis Rogner

    Mathis ROGNER

    Senior hydropower analyst

    Mathis joined the hydropower development work programme in 2014. His work focuses on building and sharing knowledge on...

  • Nick Troja

    Nick TROJA

    Hydropower analyst

    Nick joined the hydropower development work programme in 2016.  His work focuses on building and sharing knowledge on...

  • Maria Ubierna

    Maria UBIERNA

    Hydropower analyst

    María joined the hydropower development work programme in January 2017. Her work focuses on building and sharing knowledge on...

  • Yunha Kim

    Yunha KIM

    Programme researcher

    Yunha Kim joined IHA in 2015 on secondment from K-water, a public corporation which specialises in water resources management...


  • Aida KHALIL

    Aida KHALIL

    Senior sustainability specialist

    Aida joined our sustainability team in 2012. She is an accredited assessor using the Hydropower Sustainability Assessment Protocol...

China National Office

  • Chen Liang

    CHEN Liang

    China national liaison officer

    Chen Liang is the liaison officer of our China National Office, based at the China Institute of Water Resources and Hydropower Research (IWHR) ...

South American Regional Office