Lily J. D. DeMars

Dynamic professional with strong presentation, research, and communication skills. Proven track record of success in high-pressure environments, consistently achieving outstanding results. Expertise in utilizing diverse learning methods and tools to enhance student experiences and academic outcomes.

• Evolution of Human Walking and Running
• Primate Behavior, Ecology, and Evolution, Grinnell College
• Forensic Anthropology, Grinnell College
• Human Evolution, Grinnell College
• Anthropological Inquiries: Variation, Grinnell College
• Evolutionary Anthropology of Human Health (Seminar), Grinnell College
• Introduction to Biological Anthropology (Online), Penn State Department of Anthropology
• Introduction to Biological Anthropology, Penn State Department of Anthropology
• Human Osteology, Penn State Department of Anthropology
• Advanced Human Anatomy Lab, Penn State Department of Biology
• Introduction to Anthropology, Penn State Department of Anthropology
• Humans as Primates, Penn State Department of Anthropology

• 2026, DeMars LJD, Kuo S, Adornetto A, Saers JPP, Jashashvili T, Carlson KJ, Gordon AD, Stock JT, Ryan TM. Trabecular bone structure of the human seventh cervical vertebral body. Accepted abstract for the 95th Annual Meeting of the American Association of Biological Anthropologists, Denver, CO.
• 2024, Hunt NM, DeMars LJD, Kuo S, Saers JPP, Carlson KJ, Gordon AD, Stock JT, Ryan TM. Geography and subsistence strategy and their relationship to human femur morphology. Poster presentation at the 93rd Annual Meeting of the American Association of Biological Anthropology, Los Angeles, CA.
• 2024, Raghunath A, Kuo S, Brent LJN, Snyder-Mackler N, Wiliams SA, Higham JP, DeMars LJD, Martinez MI, Bauman SE, Ryan TM, Anton SC, Turcotte CM. Effects of age on trabecular bone morphology in the rhesus macaque upper limb. Podium presentation at the 93rd Annual Meeting of the American Association of Biological Anthropology, Los Angeles, CA.
• 2024, Costa CE, Turcotte CM, Kuo S, Ryan TM, Raghunath A, DeMars LJD, Negron-Del Valle JE, Phillips D, Platt M, Brent LJN, Montague MJ, Martinez MI, Watowich MM, Williams SA, Anton S, Snyder-Mackler N, Higham JP, Housman G. Whole blood gene expression patterns associated with osteoporosis-like bone loss in a free-ranging rhesus macaque. Presentation at the 93rd Annual Meeting of the American Association of Biological Anthropology, Los Angeles, CA.
• 2023, Ortero AR, Campillo A, DeMars LJD, Sukhdeo S, Ryan TM, Gordon AD. Variation in external and internal morphology of the knee among Pan, Papio, and Pongo. Podium presentation at the 92nd Annual Meeting of the American Association of Biological Anthropology, Reno, NV.
• 2023, Bruce DN, Jashashvili T, Dowdeswell MR, Cheng E, Zhu E, Tommy KA, Kuo S, DeMars LJD, Saers JP, Johnson JR, Gordon AD, Stock JT, Ryan TM, Carlson KJ Variation in volume fractions of multiple skeletal elements in a diverse sample of Holocene humans. Poster presentation at the 92nd Annual Meeting of the American Association of Biological Anthropology, Reno, NV.
• 2022, DeMars LJD, Kuo S, Saers JPP, Stock JT, Ryan TM. Trabecular bone structural variation of the human distal tibia, talus, and calcaneus. Poster presentation at the 2022 annual meeting of the American Association of Anatomists, Washington, DC.
• 2022, DeMars LJD, Kuo S, Saers JPP, Jashashvili T, Dowdeswell MR, Carlson KJ, Gordon AD, Stock JT, Ryan TM. Cortical and trabecular bone covariation in the human tibia. Poster presentation at the 91st Annual Meeting of the American Association of Biological Anthropology, Denver, CO.
• 2022, Kuo S, DeMars LJD, Yazdani A, Cherukuri V, Sun YC, Colombo A, Monga V, Ryan TM. Applications of a regularized deep network micro-CT image auto-segmentation approach to morphological data. Poster presentation at the 91st Annual Meeting of the American Association of Biological Anthropology, Denver, CO.
• 2020, DeMars LJD, Guerra AM, Wisor JM, Hernandez M, Wood TS, Cesare A, Hill K, Ryan TM. An activity based five-day professional development workshop for pre-college educators: incorporating evolution and biological anthropology into middle- and high-school curricula. Poster presentation at the 89th Annual Meeting of the American Association of Physical Anthropology, Los Angeles, CA.
• Meeting cancelled due to COVID-19
• 2020, Stephens NB, Yazdani A, Cherukuri V, DeMars LJD, Monga V, Ryan TM. Machine learning in anthropology: a regularized deep network for osteological micro-CT image segmentation. Poster presentation at the 89th Annual Meeting of the American Association of Physical Anthropology, Los Angeles, CA.
• 2020, Saers JPP, DeMars LJD, Stephens NB, Jashashvili T, Carlson KJ, Gordon AD, Shaw CN, Ryan TM, Stock JT. Distinct combinations of cortical and trabecular structure characterize loading history of the tibia: a pQCT study of athletes and controls. Poster presentation at the 89th Annual Meeting of the American Association of Physical Anthropology, Los Angeles, CA.
• 2020, Ryan TM, DeMars LJD, Stephens NB, Peters K, Saers JPP, Dowdeswell MR, Jashashvili T, Carlson KJ, Stock JT, Gordon AD. Variation in cortical and trabecular bone structure in relation to subsistence strategy in a diverse sample of modern humans. Poster presentation at the 89th Annual Meeting of the American Association of Physical Anthropology, Los Angeles, CA.
• 2020, Carlson KJ, Dowdeswell MR, Cheng E, Tommy KA, Zhu E, Stephens NB, DeMars LJD, Saers JPP, Johnson JR, Kennedy T, Stock JT, Ryan TM, Gordon AD, Jashashvili T. Patterns in and determinants of cortical thickness and rigidity in the humeral diaphysis of Holocene Homo sapiens. Poster presentation at the 89th Annual Meeting of the American Association of Physical Anthropology, Los Angeles, CA.
• 2019, Ryan TM, Stephens NB, Doershuk LJ, Saers JP, Jashashvili T, Carlson KJ, Stock JT, Gordon AD. Trabecular bone structural variation in the human postcranial skeleton. Podium presentation at the 2019 annual meeting of the American Association of Anatomists, Orlando, FL.
• 2019, Doershuk LJ, Stephens NB, Saers JPP, Jashashvili T, Carlson KJ, Gordon AD, Stock JT, Ryan TM. Variation in the human calcaneus: investigating the relationship between skeletal phenotype and behavior. Poster presentation in an invited poster symposium at the 88th Annual Meeting of the American Association of Physical Anthropology, Cleveland, OH.
• 2019, Carlson KJ, Kolawa AA, Tommy KA, Dowdeswell MR, Stephens NB, Doershuk LJ, Saers JP, Stock JT, Ryan TM, Gordon AD, Jashashvili T. Patterns in and determinants of cortical thickness and rigidity in the femoral diaphysis of Holocene Homo sapiens. Poster presentation at the 88th Annual Meeting of the American Association of Physical Anthropology, Cleveland, OH.
• 2019, Stephens NB, Saers JP, Doershuk LJ, Jashashvili T, Carson KJ, Gordon AD, Stock JT, Ryan TM. Trabecular patterning in the human skeleton: vertebral, humeral, femoral, and tibial variation. Poster presentation at the 88th Annual Meeting of the American Association of Physical Anthropology, Cleveland, OH.
• 2019, Saers JP, Doershuk LJ, Stephens NB, Jashashvili T, Carlson KJ, Gordon AD, Ryan TM, Stock JT. Correlations between low resolution pQCT and high resolution μCT scanning of trabecular bone: what are potential limits of inference from living people? Poster presentation at the 88th Annual Meeting of the American Association of Physical Anthropology, Cleveland, OH.
• 2019, Gordon AD, Carlson KJ, Doershuk LJ, Jashashvili T, Saers JP, Stephens NB, Stock JT, Ryan TM. Population-specific trabecular variation patterns drive heterogeneity in modern human phenotypic covariance matrices of trabecular and cortical bone properties. Poster presentation at the 88th Annual Meeting of the American Association of Physical Anthropology, Cleveland, OH.

• Accepted, Turcotte CM, Raghunath A, Ryan TM, DeMars LJD, Siracusa E, Patterson SK, Cayo Biobank Research Unity, Platt ML, Brent LJN, Snyder-Mackler N, Bauman SE, Montague MJ, Martinez MI, Williams SA, Antón SC, Higham JP, Kuo S. Variation in trabecular bone microarchitecture across Rhesus Macaque (Macaca mulatta) load-bearing joints. Journal of Anatomy., 2023, DeMars LJD, Torres-Tamayo N, Hirst CS, and Miszkiewicz JJ. Bone biology and microscopic changes in response to behaviour. In: Hirst, C (editor) Behaviour in Our Bones: How Human Behavior Influences Skeletal Morphology, Elsevier. ISBN: 978-0-12-821383-4, 2022, Sorrentino R, Carlson KJ, Figus C, Pietrobelli A, Stephens NB, DeMars LJD, Saers JPP, Armando J, Bettuzzi M, Guarnieri T, Oilia G, Vazzana A, Parr W, Turley K, Pia Morigi M, Stock JT, Ryan TM, Benazzi S, Marchi D, Belcastro MG. The talar morphology of a hypochondroplasic dwarf: A case study from the Italian Late Antique period. Submitted to the International Journal of Osteoarchaeology 32(2), 429-443. DOI: 10.1002/oa.3078, 2021, Sorrentino R, Stephens NB, Marchi D, DeMars LJD, Figus C, Bortolini E, Badino F, Saers JPP, Bettuzzi M, Boschin F, Capecchi G, Feletti F, Guarnieri T, May H, Morigi MP, Parr W, Ricci S, Ronchitelli A, Stock JT, Carlson KJ, Ryan TM, Belcastro MG, Benazzi S. Unique foot posture in Neanderthals reflects their body mass and high mechanical stress. Journal of Human Evolution 161. DOI: 10.1016/j.jhevol.2021.103093, 2021, DeMars LJD, Stephens NB, Saers JPP, Gordon AD, Stock JT, Ryan TM. Using point clouds to investigate the relationship between trabecular bone phenotype and behavior: An example utilizing the human calcaneus. American Journal of Human Biology e23468. DOI: 10.1002/ajhb.23468., 2021, Saers JPP, DeMars LJD, Stephens NB, Jashashvili T, Carlson KJ, Gordon AD, Ryan TM, Stock JT. Automated resolution independent method for comparing in vivo and dry trabecular bone. American Journal of Physical Anthropology 174, 822-831. DOI: 10.1002/ajpa.24181., 2021, Saers JPP, DeMars LJD, Stephens NB, Jashashvili T, Carlson KJ, Gordon AD, Shaw CN, Ryan TM, Stock JT. Combinations of trabecular and cortical bone properties distinguish various loading modalities between athletes and controls. American Journal of Physical Anthropology 174: 434-450. DOI: 10.1002/ajpa.24176., 2019, Doershuk LJ, Saers JPP, Shaw CN, Jashashvili T, Carlson KJ, Stock JT, Ryan TM. Complex variation of trabecular bone structure in the proximal humerus and femur of five modern human populations. American Journal of Physical Anthropology 168 (1): 104-118. DOI: 10.1002/ajpa.23725, 2018, Lesciotto KM and Doershuk LJ. Effect of age on nonmetric cranial traits for sex estimation. Forensic Anthropology 1 (3): 150-160. DOI: 10.5744/fa.2018.0016., 2018, Lesciotto KM and Doershuk LJ. Accuracy and reliability of the Klales et al. (2012) morphoscopic pelvic sexing method. Journal of Forensic Science 63 (1): 214-220. DOI: 10.1111/1556-4029.13501., Lillie RM and Noldner LK, Bioarchaeological Reports on Human Skeletal Remains from Iowa and Other Proveniences., Research Papers Vol. 40, No. 1, Office of the State Archaeologist, University of Iowa, Iowa City., 2016, Doershuk LJ, A human cranium from Malone Cemetery, 13AM60, Allamakee County, Iowa., (pp. 5-12)., 2016, Doershuk LJ, Cranial fragment from 13DB1010, Dubuque County, Iowa, (pp. 53-54)., 2016, Doershuk LJ, Human skeletal remains from 13MC336, Muscatine County, Iowa, (pp. 135-142)., 2016, Doershuk LJ, Human skeletal remains from 13PW0f, Pottawattamie County, Iowa., (pp. 253-258)., 2016, Doershuk LJ, A human mandible from 13SX0b, Sioux County, Iowa., (pp. 259-262)., 2016, Doershuk LJ, Human skeletal remains found in the Iowa State Historical Society Repository: 13UN0a, 13PK0f, Nebraska, and Unknown Provenience, (pp. 263-270)., 2016, Doershuk LJ, A human cranium from St. Johns, Arizona., (pp. 281-286)., 2016, Doershuk LJ, A partial human cranium, probably from California., (pp. 303-306)., 2016, Doershuk LJ, A human cranium from Washington State, (pp. 387-392)., 2016, Doershuk LJ, An isolated human femur from the Country of Peru., (pp. 409-412)., 2016, Doershuk LJ, Human cranial remains of unknown provenience, 000000t., (pp. 443-448)., 2016, Doershuk LJ, Human remains from Henry County, Illinois., (pp. 469-476)., 2016, Doershuk LJ, Human skeletal remains from Illinois and unknown provenience, (pp. 477-492)., 2015, Lillios KT, Materializing the dead., In: In Praise of Small Things: Excavations at the Late Neolithic- Early Bronze Age Burial of Bolores (Torres Vedras), Portugal., K.T. Lillios, A.J. Waterman, J. Mack, J.A. Artz, and L. Nilsson-Stutz, (pp. 101-120). British Archaeological Reports, International Series. Oxford.
• Contributing author to chapter 5, section III (ochre) Lily J. Doershuk and Jonathon T. Thomas, pp.102-108.

• Human and primate skeletal variation
• Micro CT and quantification of three-dimensional morphology
• Skeletal biology and osteology
• Trabecular and cortical bone structure
• Bone biomechanics
• Interaction of human behavior, environment, and biology

• Pennsylvania State University, 01/01/24, Anthropology, Postdoc, Timothy Ryan
• Pennsylvania State University, 01/01/21, Anthropology, Ph.D., Timothy Ryan
• Pennsylvania State University, 01/01/17, Anthropology, M.A., Timothy Ryan
• University of Iowa, 01/01/14, Anthropology, B.S., Robert Franciscus
• University of Iowa, 01/01/14, Spanish, B.A., Denise Filios