Our UV Team Ready to Help


John Ryan

John Ryan
Managing Director

A Chartered Chemical Engineer and MBA and over 30 years in water treatment John joined Hanovia in 2008. With international experience in water quality management, system integration, and contract execution across many market sectors John has a close understanding of what customer’s need from their UV and the support that follows it.


Alex Langston

Alex Langston
Operations Director

Alex joined Hanovia in 2010 and has worked in several positions within the business, being promoted to Operations Director in 2016.

He is a specialist in manufacturing operations, with extensive experience across the UK, China and Australia. Alex achieved his MBA with distinction from Henley Business School and holds a Batchelors degree from University of Plymouth.


Matthias Boeker

Matthias Boeker
Technical Director

Matthias has over 20 years’ experience in the water and wastewater industry. He has worked for Hanovia since 2015.

Prior to Hanovia, Matthias has worked for different equipment suppliers in various commercial roles based in Germany and USA. He was involved with numerous UV treatment projects in Europe, the Middle East, and the U.S. both in the municipal and the industrial market.

Matthias holds an Engineering Degree (Diploma) in Civil Engineering from The University of Applied Science in Lueneburg, Germany.


Ken Kershner

Ken Kershner
Commercial Director – Global

Ken has worked with ultraviolet technology for over 18 years. He currently serves as the Regional Director-Americas for Aquionics focusing on application optimized UV in the aquatic, industrial and municipal markets.

Ken holds a Bachelors’ Degree from the three time National Champions in college football Clemson University. He serves on a number of industry committees, including the International Ultraviolet Association’s Manufacturer’s Council, Water & Environment Federation’s Disinfection and Public Health Committee and Advanced Water Treatment Disinfection Committee.


Helen Zhang

Helen Zhang
Regional Director, Asia Pacific

Helen Zhang has a Master degree in Project Management from Tongji University and a Doctoral degree in Business Admin (DBA) from Business school Netherlands. She has been engaged in environmental protection water treatment industry projects and related products sales and sales team management for many years. She has been focusing on the UV business for more than 10 years and now is Regional Director of Asia Pacific.