Mark A. Juds, reviewer and contributor to the 2^nd edition of Magnetic Actuators and Sensors, retires this month after 37 years with the Eaton Corporation.  Mark holds 70 U.S. patents and 46 European patents in the areas of sensors, power switching, magnetic actuators, mechanisms, and capacitors.  He has 45 publications, has given 62 invited presentations outside of Eaton, and has taught courses at the Milwaukee School of Engineering and at the University of Wisconsin-Milwaukee.  He also volunteered for many years as Chair of the Milwaukee Chapter of the IEEE Magnetics Society and as a mentor encouraging students in STEM.  I wish Mark a happy retirement, which he so richly deserves.