Tietjens, an attorney by trade, is not currently seeking spousal support, but indicated in his divorce petition that he is reserving the right to do so at a later date, TMZ reports.
See photos of Aisha Tyler:
Aisha Tyler and her husband of 20 years are divorcing
NEW YORK, NEW YORK - MARCH 20: Aisha Tyler attends the 'Batman V Superman: Dawn Of Justice' New York Premiere at Radio City Music Hall on March 20, 2016 in New York City. (Photo by Nicholas Hunt/FilmMagic)
UNIVERSAL CITY, CA - MARCH 09: Aisha Tyler visits 'Extra' at Universal Studios Hollywood on March 9, 2016 in Universal City, California. (Photo by Noel Vasquez/Getty Images)
SANTA MONICA, CA - FEBRUARY 27: Actress Aisha Tyler arrives for the 2016 Film Independent Spirit Awards held on February 27, 2016 in Santa Monica, California. (Photo by C Flanigan/Getty Images)
LOS ANGELES, CA - FEBRUARY 28: Aisha Tyler attends the Oscars Viewing Party at the Private Residence of Jonas Tahlin, CEO of Absolut Elyx on February 28, 2016 in Los Angeles, California. (Photo by Joshua Blanchard/Getty Images for Absolut Elyx)
SANTA MONICA, CA - FEBRUARY 27: Actresses Aisha Tyler and Retta attend the 2016 Film Independent Spirit Awards private reception on February 27, 2016 in Santa Monica, California. (Photo by Amanda Edwards/WireImage)
SANTA MONICA, CA - FEBRUARY 25: Actress Aisha Tyler arrives at the 2016 Oscar Wilde Awards at Bad Robot on February 25, 2016 in Santa Monica, California.(Photo by Jeffrey Mayer/WireImage)
LOS ANGELES, CA - FEBRUARY 24: Aisha Tyler attends Alfre Woodard's 7th Annual 'Oscar's Sistahs Soiree' Presented By Tanqueray No. TEN And Perennial Sports & Entertainment on February 24, 2016 in Los Angeles, California. (Photo by Todd Williamson/Getty Images for Miss Maglashan Productions)
BEVERLY HILLS, CA - JANUARY 10: Actress Aisha Tyler attends InStyle and Warner Bros. 73rd Annual Golden Globe Awards Post-Party at The Beverly Hilton Hotel on January 10, 2016 in Beverly Hills, California. (Photo by Lester Cohen/WireImage)
LOS ANGELES, CA - JANUARY 06: (L-R) TV personalities Sheryl Underwood, Sara Gilbert, Sharon Osbourne, Aisha Tyler and Julie Chen pose with an award in the press room during the People's Choice Awards 2016 at Microsoft Theater on January 6, 2016 in Los Angeles, California. (Photo by Allen Berezovsky/Getty Images)
NEW YORK, NY - DECEMBER 09: Aisha Tyler and Julie Chen of CBS' 'The Talk' ring the closing bell at the New York Stock Exchange on December 9, 2015 in New York City. (Photo by Grant Lamos IV/Getty Images)
NEW YORK, NY - DECEMBER 07: Aisha Tyler attends 'In The Heart Of The Sea' New York premiere at Frederick P. Rose Hall, Jazz at Lincoln Center on December 7, 2015 in New York City. (Photo by Andrew Toth/FilmMagic)
NEW YORK - DECEMBER 8: The ladies of The Talk Sheryl Underwood, Sara Gilbert, Sharon Osbourne, Aisha Tyler and Julie Chen in the green room of CBS This Morning on Tuesday, Dec. 8, 2015 for the CBS Television Network. (Photo by Heather Wines/CBS via Getty Images)
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While neither party has commented on the reasons behind the split, Tyler, 45, has been vocal about the couple's inability to conceive children.
The Talk co-host got candid about their fertility struggles on the CBS daytime panel talk show back in September 2013, where she opened up about the couple's numerous failed In vitro fertilization treatments, and revealed that doctors have given her less than a 5 percent chance of ever getting pregnant.
"The hardest part, I think, is I really love my husband," Tyler said at the time. "He's such a good person. He would be such a good father." Check out the video below to hear more.