Wiesler brings more than 30 years of experience in the water industry to QUA. Most recently, he served as global director of sales for Membrana, where he managed the sales function in 56 countries, 20 markets and five industry sectors.

He has experience in a wide range of water treatment technologies including electrodeionization, reverse osmosis, ultrafiltration, UV and ion exchange in markets such as the semiconductor, power, pharmaceutical, fine chemical and food & beverage industries.