Marker has been the recipient of multiple awards and recognition since her start in conservation biology. In 1996, she was the vice chair of the World Conservation Union Species Survival Commission Cat Specialist Group. She was awarded the Zoological Society of San Diego's Lifetime Achievement Award and Tech Awards; Intel Environmental Laureate in 2008. She won the Tyler Prize in 2010 as well as the Explorers Club's Lowell Thomas Award. The Namibian government has recognized her for being an influential asset in conservation and environmental awareness.

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The non-profit organization has developed a diverse range of programs to scientifically study cheetah physiology, its behavior, habitat, prey species and human and wildlife conflict issues. The results of these scientific studies are disseminated internationally via publications and presentations, and the ever-expanding scientific database is utilized to develop strategic education and conservation programs.

Both within Namibia and worldwide there is now far greater awareness of the value of the cheetah within the ecosystem, and its endangered status. Encouragingly, increasing numbers of Namibian farmers (on whose land the majority of wild cheetah live) are implementing predator-friendly livestock management techniques.