We are always pleased to hear from those interested in the work of Johann Berthelsen. Please feel free to contact us by letter, by phone or by using the e-mail links below.


The headquarters of the Conservancy is located in Milwaukee, Wisconsin, which is in the Central time zone. Normal office hours are between 10:00 a.m. and 4:00 p.m. Please feel free to leave a message on our answering machine, and we will return your call as soon as possible.


The Johann Berthelsen Conservancy, LLC
3140 Kenwood Blvd.
Milwaukee, WI 53211
(414) 962-7865