CSR Commitment
Our organisation is dedicated and passionate about a future where our planet and its inhabitants live without fear and anxiety of global warming and its ramifications for the next generation.
Certifications and Accreditations
KSN Horizon Team
KSN Horizon has been assembling a team of real estate and sustainability experts to provide our clients with professional services. Our team is passionate about ensuring the sustainability of future generations, and we are committed to providing the best service possible to your clients.

Mark O’Neill
Director
KSN Horizon
Barry Doyle
Director
KSN Horizon
Donal Duffy
Director
KSN Horizon
Micheal Slevin
Director
KSN Horizon
Robert Fergey
Senior Energy Program Manager
KSN Horizon
Edel Donnelly
Senior Sustainability Manager
KSN Horizon
David White
Sustainability Program Manager - Data Management & Verification
KSN Horizon
Brianna Yeung
Sustainability Program Manager – GRESB & ESG Strategy
KSN Horizon
Steven Quirke
Energy Program Manager
KSN Horizon
Ronan Cadden
Sustainable Energy Executive
KSN Horizon
Lorcan Downey
Energy Engineer
KSN Horizon
David Martin
Life Cycle Carbon Assessor
KSN Horizon
Aoife Morris
Life Cycle Carbon Assessor
KSN Horizon
Odhran Cussen
Sustainability Researcher
KSN Horizon