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Meet Our Trainers

CMI Master Trainers


Marion Ivey is a leading industry expert and instructor for technical custodial building maintenance, training and education. He has written technical training manuals for training instructors used in-house for custodial/housekeeping staffs.

Ivey has provided and continues to provide training for many diverse industry organizations, such as: Healthcare, private/public schools, government facilities, international private/government facilities and many private corporations. Currently serving as the Cleaning Management Institute Director of Training, he assists in updating the CMI training curriculum and provides a variety of seminars and on-site certification training workshops.

Bill_headshot.jpgWilliam “Bill” Griffin has over 30 years’ experience in the cleaning industry as a cleaner, consultant, trainer and expert witness. He is the author of the Comprehensive Custodial Training Manual, How to Sell and Price Contract Cleaning, How to Start and Operate a Successful Cleaning Business and 10 other books and manuals, as well as over 300 articles on cleaning, maintenance and self-employment.

He is a regular contributor to Cleaning & Maintenance Management magazine, Cleanfax magazine and other industry publications and is a Master Trainer for Cleaning Management Institute. He is certified by the Institute of Inspection, Cleaning and Restoration Certification (IICRC) as a Master Cleaner and is an active carpet and hard surface flooring inspector and approved IICRC instructor for carpet (CCT & CMT), stone (SMT) and hard floors (FCT).

Griffin has extensive experience as a consultant, expert witness, speaker and seminar leader to government agencies, manufacturers, associations and private businesses of all types and sizes throughout the world. He is an Assessor for ISSA's Cleaning Industry Management Standard (CIMS) Green Building (GB) certification program. For more information, call Griffin on his cell at (206) 849-0179, e-mail him at or visit

MMobergMatt Moberg is a trainer for CMI, the custodial training and certification arm of Cleaning & Maintenance Management magazine. With nearly a decade of industry involvement, including in-the-field experience as an end user, Moberg is cognizant of JanSan trends and strives to help train and educate facility professionals every day. For more information about CMI, visit


Mickey CroweMickey Crowe of the Source America South Region office has been involved in the custodial industry for over 35 years and is recognized as a speaker, consultant and trainer.  He is a CMI Certified Master Train the Trainer recognized by Cleaning Management Institute to conduct the Train the Trainer Certification Workshops.
Bill McGarvey head shotBill McGarvey is the Director of Training & Sustainability for the Philip Rosenau Company, a major regional distributor of janitorial and sanitary maintenance products. With over 30 years experience in the commercial cleaning industry, Bill is responsible for all aspects of customer training through the Rosenau Cleaning University, on site workshops, regulatory compliance seminars, and equipment in-service programs.

Bill is a Cleaning Management Institute certified trainer for the CMI Custodial Technician Certification Program and is certified as an official ISSA Cleaning Industry Management Standard and CIMS Green Building Certification Expert. Additionally, he has received recognition under the ISSA Green Cleaning University Program and no less than three major manufacturers certified Green Cleaning programs. Additional customer support is provided through activities such as trouble-shooting and problem resolution, job assignment development, cost justifications, and program recommendations. Also within this role, Bill monitors industry trends to develop new training or revise existing programs.

In the Sustainability arena, Bill serves as point person with the U. S. Green Building Council and the Delaware Valley Green Building Council. The Philip Rosenau Company is a member and sustaining sponsor of these organizations respectively. He has conducted Green Cleaning Awareness Seminars for countless cleaning professionals within the region. Furthermore, he has conducted numerous Green Cleaning Surveys for customers and helped develop pilot programs to move their operation in a more sustainable direction. Our brochure “Let us help you get to green” has helped hundreds of our customers take some of the mystery out of Green Cleaning. Bill has authored or contributed to nearly a dozen articles in trade magazines over the past several years.

During his career, Bill has worked for a major international contracted service provider, rising from an entry level position into management roles at a number of R&D and pharmaceutical firms in the Philadelphia area. Bill has also owned his own commercial cleaning and consulting firm and has provided consultation services to organizations such as The University of Pennsylvania Lucent Technologies Kimberly-Clark Corporation McNeil Consumer Products, Fed-Ex K-Mart, and more.

Perry ShimanoffPerry Shimanoff is a former United States Marine Corps Infantry Officer (served during the Vietnam conflict). He has worked as a maintenance and operations cleaning consultant for the past 36 years, primarily with school districts, community colleges, universities, cities, and charter schools throughout the United States. Mr. Shimanoff has consulted with more than 500 clients, providing audit services, staffing assistance, and of course custodial training programs.

Mr. Shimanoff has completed a three year tenure as the Vice-President of the International Custodial Advisory Network (ICAN), and participates as a member of the “Ask the Experts” forum for CMI. From 1995 through 2009, Mr. Shimanoff (with Mr. Griffin) was selected to be the custodial trainer for the California Association of School Business Officials (CASBO), with more than 15,000 custodians attending these workshops and seminars.

Mr. Shimanoff has contributed articles to a variety of trade journals (Cleaning and Maintenance Magazine, American School & University, Turf Maintenance, CASBO Quarterly Journal of Business, etc.) and is the author of two novels. As the founder of Management and Communication Consultants, his company has developed maintenance and custodial software used by hundreds of organizations. His approach to training is very simple: Clean Smarter, Not Harder.