Nate Mickish is the Vice President of Strategic Sourcing at Texas Health Resources and the President of OnHand. In his role, Nate leads the sourcing team at Texas Health responsible for all contracting, procurement and category management of supplies, equipment and purchased services. He also oversees the growth and development of OnHand which is focused on providing supply chain services to healthcare providers across the US.

Nate was recognized as a ‘Future Famer’ in Bellwether’s 2015 inaugural class. In 2016, he was recognized as one of the top 10 ‘People to Watch’ by the Journal of Healthcare Contracting. Nate earned his undergraduate and graduate degrees from the University of Nebraska system.

Brent Depperschmidt is the Chief Operating Officer of OnHand, a joint venture between Texas Health Resources and Premier, Inc. (NASDAQ: PINC) formed in 2019 to provide supply chain services and solutions to the healthcare industry. In addition to his role as COO of OnHand, he currently represents Premier, Inc. on the Board of Directors of BloodBuy.

Prior to joining OnHand in his current role, Brent held various leadership positions in healthcare and private equity. He received his Master of Business Administration from the W. Frank Barton School of Business at Wichita State University and his Bachelor of Science from Kansas State University. Additionally Brent is a licensed Private Pilot and will happily fly to visit customers.

Ryan Conway has spent the past decade in various healthcare supply chain, consulting, and account management roles. For the past five years, he has served as a Corporate Supply Chain Program Director for Texas Health Resources. In this role, he is responsible for strategic sourcing, category management, and contracting for the Cardiovascular, Laboratory, Facilities, and Purchased Services contract portfolios representing over $200M+ in annual contract spend. Additionally, Ryan serves as Vice Chair on the National Premier GPO Clinical Laboratory Committee. He received his Bachelors of Healthcare Administration from Texas State University in San Marcos, Texas.

Greg Dowdy is the Director of Business Development for OnHand, leading a team of Program Directors who recruit new members, conduct member onboarding services, activate supplier contracts, and provide ongoing member support. Before his current role, Greg managed the team that recruited independent specialty practices to join Southwestern Health Resources, the clinically integrated network formed by Texas Health Resources and UT Southwestern Medical Center. Prior to joining Texas Health, Greg spent 20 years in the medical device industry as a procedure-based sales specialist. He is a graduate of the University of North Texas.

Benn Sledge joined Texas Health Resources in 2021 as Director, Category Management. He previously held positions with Alltran, TSI, Parallon and Cardinal Health as Enterprise Vice President of Sales. Before that he spent 26 years of his career in Supply Chain Management in various areas, Manufacturing, Public Schools, Telecom, Utilities and Healthcare. He brings with him a vast knowledge of Diversity and Inclusion processes as well as Minority Business Development. This knowledge he eagerly shares with his teams and peers.

Tonita Burbage is a Program Director at Texas Health Resources, where she has been contributing since August 2024. With over 15 years of experience in Supply Chain, Tonita began her career in 2010 working on government contracts. She has since expanded her expertise to include retail and facilities contracts. Currently, Tonita oversees categories in Facilities, EVS and select Nursing areas. She brings a wealth of knowledge and experience to her role and is committed to being a valuable asset to the Texas Health Resource Supply Chain Department.

Mary George is a Program Director at OnHand. As Program Director of OnHand, Mary George is responsible for developing new affiliates and ensuring their ongoing success. Mary prides herself with being proficient in formulating comprehensive sales plans, delivering impactful presentations, establishing strong relationships with distribution partners, national GPO contacts, and health system executives. Mary excels in relationship management, ensuring the needs of current affiliates are met and presenting savings opportunities. With over 13 years of experience in the healthcare industry, Mary is a seasoned professional who has served as both Director of Business Development and Director of Case Management.

Dr. Kyle Hoogendoorn joined the Texas Health Resource team in 2008. He specialized in Podiatric Medicine and Surgery, earned his Master of Business Administration in 2017 and completed the THR Physician Lead program concurrently. After 20 years of patient care, Dr. Hoogendoorn transitioned to a full-time position in Supply Chain Management. His broad knowledge base of surgery, implants and biologics has strengthened his ability to manage his categories, provide service to facility partners and lower costs for Texas Health Resources. He is always happy to help his peers and partners and enjoys sharing his knowledge with OnHand affiliates.

Lauren M. Johnson is a Program Director of Clinical Services. For over ten years Lauren M. Johnson has been a noteworthy leader in both the acute and non-acute hospital setting. She currently manages over sixty product categories. Those categories include nursing, environmental services, and services such as office supplies and equipment. Lauren holds a Bachelors of Science degree in Business Administration with a major in Healthcare Management.

Kathleen Mulvey is a Program Director at OnHand, a joint venture between Texas Health Resources and Premier Inc. She has been with THR since March 2024. Prior to that she was a Contract Advisor for Premier for over seven years. In addition to assisting in onboarding new affiliates, her previous experience is helpful in working with affiliates to assist in making additional contract connections. When not working, Kathy is an active volunteer at her church and enjoys cooking and baking, especially experimenting with sourdough.

Chip Robertson is a Program Director at Texas Health Resources. Chip has been with THR since May 2022. Before that he was in Critical Care Flight Transportation. He currently manages all things: Radiology, Respiratory, Anesthesia, and Wound Care.

Chip is a BSN, RN, CCRN, CFRN, NR-P, & LP.

Lakeisha Taylor is a Program Director at OnHand, a joint venture between Texas Health Resources and Premier Inc. With almost seven years of experience supporting the affiliate program, Lakeisha has established herself as a valuable asset to the organization. Her expertise and leadership have been instrumental in streamlining the onboarding process for new affiliates, ensuring a smooth transition and a positive experience. In her free time, Lakeisha enjoys keeping up with the latest trends in social media, leveraging her interest to stay connected with industry peers and exploring new opportunities for growth. When not working, she also enjoys traveling and spending time with her family.

Mark Tipps is at Program Director of Clinical Services at Texas Health Resources. Mark has been with Texas Health Resources since 2004 in Clinical staffing and Management. Mark joined Supply Chain Management in 2012 and is responsible for managing contract categories for Nursing, Surgery and Women & Children. Mark holds a BSN, RN, BSKin, and RKT.

Jonathan Renteria Torres, MBA, currently serves as Program Director of Clinical Supply Services, overseeing various categories, including lab, anesthesia, respiratory, and wound care. He has extensive experience in the healthcare industry with over a decade in Supply Chain Management while holding various administrative positions within Texas Health Resources and other Healthcare industries. His focus is in improving efficiency, resolving numerous discrepancies, managing supplier relationships across multiple hospitals to secure critical supplies are delivered accurately and collaborates closely with suppliers and internal teams efficiently. He is a bilingual professional fluent in Spanish and English, helping bridge the communication gap and enhance collaboration in various roles he has been in.

Jonathan holds a Masters of Business Administration degree from Texas A&M University and a Bachelor’s in General Business from the University of North Texas in Denton. He plans to pursue a Doctorate in Business Administration with an emphasis in Strategic Management. He also serves on Texas Health Resources' Diversity, Equity, and Inclusion committee and enjoys volunteering at the SPCA of Texas with family and friends.

ReAna Huerta is a Senior Data Analyst at Texas Health Resources. In her role, ReAna brings value to OnHand members by developing dashboards to support data-driven decision making and automating manual processes. Prior to joining Texas Health Resources, ReAna spent four years as a data analyst for military defense contracting. ReAna received her Master of Science degree in Business Analytics from the University of Texas at Dallas.

Zaira Parris is a Senior Supply Chain Management Analyst at Texas Health Resources. In her role, Zaira supports the Supply Chain Management department leadership and staff in the development of Tableau dashboards and deeper level analysis. She has over fifteen years of experience in healthcare in operations consulting roles. She has a Bachelor of Science in Industrial Engineering from the University of Louisville in Kentucky and a Master of Business Administration from Indiana Wesleyan University. When not working, she enjoys spending time with her family, jogging outdoors, traveling.

Melinda Lunsford, MBA, has been with Texas Health Resources since 2014 and has experience working in all stages of supply chain management. With a background in operational management, Melinda excels at managing the entire contract lifecycle for THR and our OnHand affiliates – from initial contract submission and exploring potential savings opportunities, to final execution and management. Melinda’s ability to navigate complex contract terms and translate them into actionable strategies has made her a key contributor to the organization. She holds an undergraduate degree and an MBA degree from the University of Texas at Tyler.