Our Team

Board President — Dr. Jon Lohse

Jon Lohse has been a professional archaeologist for 30 years and currently works for Terracon Consultants, Inc. Since the mid-1990s, he has conducted multidisciplinary research into Archaic and Paleoindian cultures in the south-central US, and in Mexico, Guatemala, and Belize. Recent publications include Preceramic Mesoamerica, co-edited with Aleksander Borejsza and Arthur Joyce (Routledge Press, 2021) and The Calf Creek Horizon, co-edited with Marjorie Duncan and Don Wyckoff (Texas A&M University Press, 2021). Dr. Lohse completed his graduate degrees from The University of Texas at Austin. He was born in Houston, where he currently lives with his family.

Board Vice President — Dr. Eric Schroeder

Dr. Schroeder, raised in a small west Texas farming community, developed a profound appreciation for rural landscapes and their inhabitants. Weekends on his grandparent's farm fueled his imagination about the area's Indigenous peoples and early European explorers. Beginning with geology studies at Angelo State University, he transitioned to anthropology at Texas Tech University, earning a BA and a master’s in environmental science. With 27 years as a consulting archaeologist, he pursued further studies at the University of Texas at Austin, completing his doctorate in anthropology in 2019. Dr. Schroeder now works as an archaeologist for theTexas Parks and Wildlife Department and is an Affiliate Research Archaeologist at UT’s Texas Archeological Research Laboratory. His research focuses on complex hunter-gatherers, prehistoric craft production, trade, conflict, status dynamics, inequality, and ethnohistory. A retired Army colonel with 34 years of service in the Texas Army National Guard, he resides in Bastrop County with his wife, Susan.

Board Secretary — Tim Brown

Tim Brown, an architectural designer, builder, and land planner from Salado, Texas, holds degrees in Environmental Design and Land Development from Texas A&M University. Former Bell County Commissioner from 1995 to 2018, Tim has deep roots in Central Texas, with ancestors integral to the county's establishment in 1850. His historical ties fuel a passion for historic preservation and archaeological research. Tim's career spans private and public sectors, focusing on landmark restoration and preservation. He contributed to the Texas Historic Courthouse Preservation Grants Program, displaying dedication to heritage. Growing up amid archaeological wealth in southwest Bell County, he developed an early interest in ancient human presence, fostering a lifelong commitment to archaeology. Tim, a Texas Archaeological Stewardship Network member, joined the GSAR Board in 2013.

Tiffany Osburn

Tiffany Osburn, a North Central Texas native, developed a passion for archaeology exploring her family's farm. As Regional Archaeologist for the Texas Historical Commission since 2008, she concentrates on preserving historic Texas landscapes. Tiffany holds a Master’s Degree from the University of Denver, specializing in near-surface geophysics. With a decade of experience in cultural resource management, she joined the Texas Archeological Society and Plains Archaeological Research boards. Currently residing in Dripping Springs, Texas, Tiffany is the President of the Hill Country Land Trust, emphasizing land conservation for heritage preservation. With her husband and dog Tig, she enjoys outdoor pursuits and actively contributes to wildlife conservation in their home state.

Dr. Harry Miller, III DVM

Harry, a Tarleton State University Zoology graduate, earned his Veterinary Medicine degrees from Texas A&M University. A Captain in the army, he served three years before retiring in 1973. As owner of Westgate Pet & Bird, he practiced for 33 years, retiring in 2006. Harry was Adjunct Professor of Exotic Animal Medicine at Texas A&M (1995-2005) and Staff Veterinarian at San Antonio Zoo for a year. A Texas Master Naturalist since 2012, he featured in National Geographic's "Born Wild" (1992) and joined The Explorer’s Club in 2015. His archaeology passion began with the Midland Archeology Club at 12, continuing as a charter member of the Texas Archaeology Society. After a hiatus, he rekindled his interest by discovering a sandstone hearth on his ranch. Joining Mike Collins' Gault Lab team after retirement, he serves on the Board of the Gault School of Archaeological Research. Harry and his wife, Dayna Blazey, now reside in Austin, Texas.

Mike McBride

Mike, a Texan with over 45 years in pharmacy practice, founded RxPartners Pharmacy LLC and co-partnered in Avita Specialty Pharmacy LLC. He retired in 2018. Since 2022, he's been on the GSAR Board of Directors. Mike is the President and Board Chairman of the Hill Country Archeological Association since 2017. He was the President and Board Chairman of the Dallas Archeological Society (now part of North Texas Archeological Society) from 2000 to 2005. As a Principal Investigator, he led archaeological projects in Dallas, Kerr, and Gillespie Counties, Texas. Currently, he leads the HCAA’s Crying Woman Ranch Project, focusing on Paleoindian occupations. In Maya and Mesoamerican Studies since 1984, he's published on ancient psychoactive agents and collaborated in field projects in Mexico, Guatemala, and Belize. Co-developer of the Pine Ridge Preceramic Project, he resides in Fredericksburg, Texas, near the Pedernales River, with his wife Connie.

Mary Condon

Mary Condon, a native of New York City, became instilled with the importance of community service at an early age. Mary moved to Austin, Texas in 1974, where she met her husband, Bob Ragan. Both she and Bob were interested in living in a small town. In 1978, they, and their assortment of cats, moved to Florence, Texas, and settled into the oldest house in town. In 1987, Bob and Mary founded Texas Carved Stone, an architectural and sculptural stone carving company, which became renowned for quality and beauty using native Texas stone to build and otherwise enhance homes and community settings nationwide. Throughout the 33 years they ran their company, both Mary and Bob were committed to improving the quality of life in their adopted small town. Mary ran for a position on the Florence City Council in 1995 and served on the council for 12 years. In 2007, the citizens of Florence elected Mary as their Mayor, and she spent the next 17 years in that capacity. In 2024, Mary stepped down as Mayor and is currently the Mayor Pro-Tem. 

Mary and Bob enjoy travelling and working on their historic home in Florence. 

Lynn Boswell

Lynn Boswell is an award-winning broadcast journalist with experience as a New York-based producer for NBC News and a series producer for KLRU-TV, Austin’s PBS station. Lynn now makes independent documentaries. She is also a longtime mentor with PBS NewsHour Student Reporting Labs. Her work gives her a strong belief in the power of stories and the value of listening to diverse perspectives.

Lynn is also a longtime advocate for policies that improve the lives of students and families. She serves as an elected trustee for the Austin Independent School District, which educates more than 73,000 students and is one of the largest employers in Austin. She also sits on the board of directors of the Texas Association of School Boards, which supports trustees in more than 1000 districts across Texas. As a leader of Just Fund It TX, Lynn engages advocates across the state to seek more funding for Texas public schools. She has also served on the City of Austin’s Juvenile Justice Workgroup and the Travis County Census Complete Count Committee.

After attending public schools in San Antonio, Lynn earned degrees in journalism and Latin American Studies from SMU and a J.D. from The University of Texas School of Law. Lynn’s family includes her husband, two kids, and three dogs. Her daughter is studying public health and public policy at the University of Edinburgh. Her son works as a zookeeper who  makes and builds activities for zoo animals - a field he discovered in a seventh grade science class.

Lab Manager — Jennifer Gandy, MA

Jennifer specializes in the examination of micro-debitage. She received her BA in Anthropology at Millsaps College in Jackson, MS. After interning for R. Christopher Goodwin & Associates, Inc. in New Orleans, LA, she decided to pursue her Master’s degree. Her interest in the archaeological study of the peopling of the Americas led her to Texas State University, and Dr. Michael B. Collins, who encouraged her to analyze debitage from the most ancient deposits from the Gault site. Jennifer completed her MA at Texas State University, is the GSAR Laboratory Manager, Curation Specialist, and coordinates the GSAR volunteer and intern programs.