Jeff joined the Mammoth Team this past year as the Mammoth Equipment Manager. Jeff has a diverse background with experience in heavy equipment rentals, multi-family construction projects and as a personal fitness trainer. He spent his early years doing mechanical projects on trucks, cars, and motorcycles. His mechanical skills are now focused on the Mammoth fleet of heavy equipment. You will often find Jeff in the Mammoth yard servicing equipment in preparation for rent. Besides long days at work, Jeff spends his time with his daughter and wife exploring the outdoors of Utah. 

About Us

Barry evans

MARTY MIDDLETON, Director of Business Development

Marty spent the past 20 years in the equipment industry in sales and rentals. His career has taken him from Ahern in Cedar City to ECCO in Orem and now to Mammoth in North Salt Lake. Marty understands earth moving equipment as well as anyone in Utah, although equipment isn't his only passion. Marty is the founder of Empire Ranch Kennels and is a National Judge for field trials. On the weekends Marty travels all over the U.S. to both campaign and judge with his dogs. 


Heavy Equipment rentals


the mammoth team



​​Barry is Mammoth's Chief Financial Officer. Barry is a senior executive with 30+ years of experience as Founder, CEO, and CFO of many start-ups, mid-size and large public organizations. Barry is a CPA with extensive background in organizational strategy, mergers and acquisitions and business modeling. When not at work, Barry can be found tinkering as a hobby mechanic, on the mountain hunting for big game, or fishing with his wife and grandchildren.