Dennise (Ridder) Lumberg, 51 years of age of Monument, Colorado passed away after battling Ovarian Cancer and went to be with the Lord on September 25th, 2019 in Monument, Colorado, with her loving father and step-mother at her side.  

She was born on May 7th, 1968 in Burlington, CO to Dennis Ridder and Barbara (Finley) Ridder.  She graduated Valedictorian from Burlington High School in 1986.   She attended University of Colorado in Boulder, graduating in 1990 with a Bachelor’s of Science in Chemical Engineering.

Dennise worked for Chevron Oil Company, Sizemore Oilfield Services, and Twin Arrow Inc. in Rangely, CO.   She moved to Colorado Springs, CO and worked at Hewlett Packard and Agilent Technologies.  In 2006, she began working at Managed Business Solutions as Senior Controller, where she worked until her passing.  

Dennise married Brian Lumberg.  Of that union, Dennise and Brian adopted 2 children, Adam James Lumberg (age 14) and Erin Johanah Lumberg (age 12).  The marriage was dissolved in 2011.

Dennise is survived by her beloved son Adam Lumberg, daughter Erin Lumberg of Monument, CO, father Dennis Ridder; step-mother LeEtta Ridder of Burlington, CO; brother Darron (Marvie) Ridder of Cibolo, TX; Sister Dorinda (David) Brown of Severance, CO.  Step-siblings, K.C. (Wendy) Valentine Castle Rock, CO and Kimberly (Edward) VanCise of Kosciusko, MS.  Nephews: Colin Ridder, Austin Ridder, Eddie and Tyler VanCise.  Nieces: Kyla (Ridder) Shelton, Kristi Ridder, Kelsey Ridder, Emily Brown, Elisabeth “Izzy” Brown, Shayna Brown, Allie VanCise, Sydney and Quinn Valentine.  Along with many aunts, uncles, cousins and friends.  

Dennise is proceeded in death by her mother Barbara (Finley) Ridder.  Grandparents: Herman and Wilma Ridder, Robert “Bob” Finley, Doris (Hagan) Tomlinson.  Uncle Duane Ridder, Aunt Carol Finley and many other beloved family and friends.  

Donations can be made in the memory of Dennise Lumberg to Colorado Ovarian Cancer Alliance, 1777 S. Bellaire St., Suite 170 Denver, CO 80221.  Telephone 303-506-7014 or www.colo-ovariancancer.org.