We’re proud to be running the premier family-owned and operated special effects and custom production company in Northern Colorado. We care about this community and about helping our friends, neighbors and colleagues realize their visions. Whether for a wedding, a theatre production or concert, or a municipal event, we’re happy to be of service.


Rythm EFX Founders

Zack has been involved in technical theater since the age of eight. He was a master carpenter and lighting tech for “Open Stage Theater” one of the longest-practicing and most renowned theatrical producers in the state of Colorado. He was the youngest student ever to letter in theater at Fort Collins High and later became the instructor for the school’s technical theater certification class in 2006.

Zack has been a creative lighting designer for numerous artists including JoJo, Styx, Toby Keith, Incubus, LMFAO, Skrillex, Gym Class Heroes, Lil’ Jon & many others.

His involvement with Down for Life, an anti tobacco-organization for teens has set him apart in city based and regional volunteer work which he continues to do along with teaching weekly dance classes at a local dance studio, including showcase design of their bi-annual recital performances.

Kayzha divides her busy schedule between a full time business career, their three children and her artistic presentations & operation of the LED Video Technology. She has designed & operated the Rythm EFX LED Video System for multiple clients including Phunk ‘E’ Elements, Floorbangers, MiMOSA, G-Love & Special Sauce, The Tedeschi Trucks Band, Yonder Mountain String Band & many others. She has become a quick learn wizard at this state of the art system and puts passion into all of the designs & visual graphic designs for all of the Rythm EFX LED Wall events. Zack & Kayzha look forward to researching technical advancements for their company’s inventory, travel, and very specific visionary growth. Surrounding these values they wish to bring expansion to their existing personal team, adding advancements to innovative design concepts, and make their mark with new developments in event lighting and design.

Jill Michel

Event Manager and Sales

Jill has worked in various capacities in the music industry for 12 years, with city, regional and national talent ranging from Billy Joel to local emerging artists. Her tasks have included stage management in theater and arena events, artist liaison, as well as day of show audio & lighting production management. She has worked annually at the International Guitar Festival in Dallas Texas and is currently freelance account managing for festivals and concerts in the region. Her clients include The Downtown Fort Collins Business Association, Beet Street with the DDA of Fort Collins, New West Fest @ Bohemian Nights, Colorado College and others. She is also a Board Member for the non-profit foundation “Kids Create the Music”. Through the years Jill facilitated personnel management including crew training & staff development. Jill and Zack Klassen have had a long standing connection of mutual respect and recognition of accomplishments. This relationship has forged a new portal for Rythm EFX, with Zack and Kayzha’s ideals for business success. Jill is in her natural element with advance and “event day’ detailing of all aspects of live concerts, festivals, or touring. She has worked on national tour accounts and also designed, developed and managed a local festival for the Peace Corps involving a listing of many agencies, volunteers, vendors and crew. Jill’s interests include interior design, travel, and art.