In the early 1980s, with collaborators at the
Smithsonian Institution's National Zoo and
National Cancer Institute (USA), Marker helped identify the cheetah's lack of genetic variation, thus causing the species greater problems for survival. Collaboration with the two above listed institutions lead to Marker becoming executive director of the Centre for New Opportunities in Animal Health Sciences (NOAHS), in 1988, based at Smithsonian Institution's National Zoo. She continues to serve as a NOAHS Research Fellow. Marker graduated in 2002 from Oxford University with a doctorate in zoology. More recently, Marker joined the Steering Committee of the Greater Waterberg Complex, Namibia, in 2011, and the Steering Committee of the Natural Resource Department at Namibia University of Science and Tech in 2012. Restoration thinning reduces bush encroachment on freehold farmlands in north-central Namibia. October 4, 2021 by Nghikembua M., Marker L. L., Brewer B., Leinonen A., Mehtätalo L., Appiah M., Pappinen A. Global dataset for seized and non-intercepted illegal cheetah trade (Acinonyx jubatus) 2010–2019. February 16, 2021 by Tricorache, P., Yashphe, S., Marker L. L. Twenty-five years of livestock guarding dog use across Namibian farmlands. February 11, 2021 by Marker L. L., Pfeiffer L., Siyaya A., Seitz P., Nikanor G., Fry B., O'Flaherty C., Verschueren S. Marker continues to travel the world, giving educational talks and presentations, fundraising and running the Cheetah Conservation Fund facilities in Namibia and Somaliland. She continues to collaborate with scientists and conservationists to increase knowledge and awareness for the cheetah and its endangered status, to develop best practices in research, education, and land use to benefit all species, including people, and to develop sustainable systems that are protective of the environment, socially responsible, and economically viable, and to save the cheetah and their ecosystems from extinction. == Awards & recognitions ==