About Us

CUSTOMER CARE is of the utmost importance to us. We strive to make our technology simple to implement and use. Our goal is to provide your business the tools you need to make fact based decisions.

HiMARKS - Horseman's Income Management and Record Keeping System Software, is an Iowa Limited Liability Corporation established in 2003 and based out of Marion, Iowa.  

First Rate Support

HiMARKS - Horsemen’s Income Management and Record Keeping System Software is designed and supported by equine professionals who have practical “hands-on” experience in the industry and know what professionals need and want in a farm management and billing program.  Our advisors and customer support staff include leading professional trainers, breeding managers, farm owners, accountants, bookkeepers and instructors. HiMARKS provides a variety of support options based on your needs.   

Gary Derby - Co-Founder and VP of Development


In addition to being one of the co-founders and chief software architect of the HiMARKS system, Gary is consistently devoting his time to the improvement of HiMARKS and personally supporting valued customers.

Gary has over 50 years of experience in software development. He recently retired as Senior Design Specialist at NISC - National Information Solutions Coop. Prior to his career at NISC, Gary was a Senior Design Specialist at Quintrex, a software development company that develops enterprise-billing systems for telephone carriers. Additionally, Gary was a key developer at Micro Technology, a medical software developer for 8 years.

Gary volunteers two days a week delivering meals for Meals on Wheels in the Cedar Rapids/Marion, Iowa area.

2625 McGowan Blvd.

Marion, Iowa 52302 

tel: 319-491-5848 

Renae Dudley - Co-Founder and VP of Marketing

 Ms. Dudley has 25 years of experience managing a large breeding and training facility. Her success includes leading breeder status with the American Quarter Horse Association. Several stallions associated with the Dudley name have achieved worldwide recognition as AQHA Leading Sires. They include Scotch Bar Time, Investment Asset and Roping Chute. Renae is a graduate of Iowa State University with a B.S. in education and M.S. in Special Studies. In addition to her horse industry connections, Renae’s software experience includes EMS Event Management Software project implementation manager and system specialist for Crystal Bridges Museum of American Art.  


8280 Spanker Ridge Drive

Bentonville, AR 72712

tel: 816-289-5555

Software Advisors and Sales Representatives