Diarmuid Kearney

Overview

Chief of Staff at Hollow Bio, focused on technical program management. Cut cost per order by 38% with routing and staffing changes. Before that: NatWest and KPMG. Learning to sail.

Experience

1. Chief of Staff

   Jun 2025 - Present
   Hollow Bio · 1 yr 4 mo · Full-time · Dublin, Ireland
   • Launched operations in 21 cities.
   • Rebuilt the planning process the company still runs every quarter.
2. Operations Manager

   Jun 2023 - Jun 2025
   NatWest · 2 yr · Full-time · Dublin, Ireland
   • Brought support first-response time from 19 hours to under 1.
3. Operations Associate

   Jan 2020 - May 2023
   KPMG · 3 yr 4 mo · Full-time · Dublin, Ireland
   • Secured 4 payments licences.
   • Built the privacy programme for launches in 22 countries.
4. Operations Manager

   Feb 2017 - Sep 2019
   Booking.com · 2 yr 7 mo · Full-time · Dublin, Ireland
   • Cut cost per order by 20% with routing and staffing changes.
5. Operations Associate

   Oct 2013 - Feb 2017
   Wise · 3 yr 4 mo · Full-time · Dublin, Ireland
   • Secured 4 payments licences.
   • Negotiated 423 commercial agreements a year.

No references yet.

Education

1. Durham University

   BA, Operations Research
   2009 - 2012