At Capstone Health Alliance, the strength and performance of our alliance is a direct function of the men and women who lead it.

Tim Bugg, CMRP


Tim Bugg is the President & CEO of Capstone Health Alliance and one of the pioneers that began the program back in 2000. Leading the organization on its journey to bring the former group purchasing program of the WNC Health Network to new heights with greater value to its entire membership, Tim has full corporate oversight of both Capstone Health Alliance and Capstone Solutions Inc.

Alongside Capstone’s now Chief Operating Officer, Mark Landau, and Mission Health System’s Executive Director of Materials Management, Bill Myers, Tim was an integral part in forming the group purchasing program with the intent to help the 16 hospitals in Western North Carolina identify new ways to reduce cost while ensuring quality and patient satisfaction. Through dedicated leadership and a unique vision, Capstone’s footprint now extends across 23 states and has become a significant partner for acute hospitals, continuum of care facilities, and the business and industry markets.

Tim joined the WNC Health Network in January 2007 as its Vice President of Member Services. Prior to 2007 Tim was a contracted employee for the Network for several years while serving as the Director of Materials Management in one of the Network’s member hospitals. Over the years, Tim has served many roles within the Network’s Group Purchasing program including: managing member C-Suites relationships; member recruitment and retention in the acute and non-acute markets; contracting in Information Technology, Administrative Services and other selective Materials Management agreements; New Program Development; Member Communications; Field Services; the Resource Management Program; Budgeting and Strategic Planning; and oversight of the Food Program. 

Tim’s primary expertise is in all aspects of supply chain, group purchasing, operations, process efficiencies, strategic planning, vision, culture, and leadership. 

Tim has almost 30 years of experience in the supply chain field with more than 20 years in healthcare including 11 years as the Director of Materials Management for CarePartners Health Services in Asheville, NC, and has led several private consulting engagements within the non-acute healthcare sector though his private company.

Tim graduated Magna Cum Laude from Montreat College; is a Certified Materials and Resource Professional (CMRP); A member of the Council of Supply Chain Executives; a current member of the HSCA Board of Directors; and a member of the IDN Summit Advisory Board. Previously, Tim served 8 years on the Board of Directors of the NC chapter of AHRMM (NCAHRMM) serving as President in 2005 & 2006, is a past member of the AHRMM Membership and Chapter Committee and has been intricately involved since 2002 in various aspects of the Premier sourcing process including service on the Nursing, Continuum of Care, and ASCEND Oversight Committees. Tim also serves with the local chapter of the United Way, Vistage CEO Group, and is the founder and President of the girl’s fastpitch organization, WNC Extreme. Tim has been published and quoted in several industry articles. 

Mark Landau


Mark serves as co-founder and Chief Operating Officer for Capstone and President of our subsidiary division, Capstone Solutions, Inc. Mark also works with Fred Pane, our Contract Manager for Pharmacy Services, in the development of the Capstone pharmacy portfolio. In addition, Mark works alongside Tim Bugg, Capstone President & CEO, in the development and operations of the organization.

Mark joined the WNC Health Network full time in January 2004. Prior to 2004, Mark worked on contract for the Network in a part time capacity. Mark was one of the pioneers of the Network’s Group Purchasing Program and was key in its development along with Tim Bugg and Mission Health System’s Executive Director of Materials Management, Bill Myers. Mark’s primary roles with the Network included oversight of contracting and coordination of workgroups with med/surg, pharmacy and laboratory. Working in collaboration with Tim Bugg, Mark has played an intricate role in the growth and success of what the WNC Health Network Group Purchasing Program (and now Capstone) has become. 

Mark has more than 38 years of experience in the supply chain field. Prior to joining the WNC Health Network, Mark was Corporate Director of Materials Management for WestCare Health System from 1998 – 2004, and held various positions in Materials Management with the Florida Hospital Medical System in Orlando, FL from 1983 – 1998.

Mark received his Bachelor’s degree in Criminal Justice from the University of Central Florida. He has been intricately involved in various aspects of the Premier sourcing committees & sub-groups and is a former Vice President of the Orlando Jaycees Board of Directors.

Robin Lincoln


Robin Lincoln, Senior Vice President, Contracting Operations, of Capstone Health Alliance, has been with Capstone since 2009. Robin’s responsibilities include the development, implementation, and ongoing process improvement for contracting strategies and operations for the Alliance. Robin works closely with the Capstone contracting team in contract negotiations, and also leads the development of effective implementation strategies designed to provide timely and relevant information to the Capstone membership and create maximum opportunity for Capstone’s supplier partners. Robin leads the membership council that reviews and approves of all contract strategies, and also provides oversight and direction to the Business Analytics team that compiles the data and runs analytics for Capstone’s healthcare members.

Robin previously served as the Director of Synergy Health Group, a regional aggregation group based out of Johnson City, TN and owned by Mountain States Health Alliance. During its first three years of existence, Synergy documented savings of over $1.5 million for the group of Northeast Tennessee hospitals, and also led collaboration efforts for the membership to supplement their quality control programs and efforts to reduce readmissions.

Prior to joining Synergy, Robin was Vice President and COO of Wilson Pharmacy and PNS Institutional, a regional privately-owned closed-door, retail, and compounding pharmacy chain. Before transitioning into healthcare, Robin served as Vice President and General Manager of The Faneuil Group, an international research and marketing company based in Boston, Mass, where she held various leadership, account management, and operations roles over the course of ten years. 

Robin holds a BS degree in Computer Science from East Tennessee State University and has served on numerous not-for-profit boards in Johnson City, TN, including United Way, Girls Inc., and the Dawn of Hope, a facility dedicated to serving developmentally-disabled adults. Robin is a graduate of the Johnson City Washington County Chamber of Commerce Leadership program, and previously served on the Government Relations Board for the Chamber of Commerce in Johnson City, TN. Robin is an avid outdoor enthusiast and enjoys running, skiing, biking, and hiking with her husband and two daughters.


Yolandi Myers


Yolandi Myers joined the Capstone Senior Leadership team in 2021. Yolandi’s responsibilities include oversight of partnerships with group alliances and enlarging member services by developing programs to ensure Capstone Health Alliance members are constantly receiving value. With a keen emphasis on growth and development, Yolandi brings a customer-centric perspective focused on helping Capstone members achieve supply chain cost reduction through superior service delivery and innovative member service initiatives.

Yolandi has more than 14 years of operational experience within the group purchasing industry. Prior to joining the Capstone Health Alliance team, Yolandi served as Senior Vice President of Business Operations with The Center for Health Affairs & CHAMPS Group Purchasing based in Cleveland, Ohio. Through her career she has proven successful partnerships with members, suppliers and within her teams to deliver tailored solutions in diverse areas including customer service, sales, team development, process and operations management, marketing and strategic planning.

Yolandi is a graduate of Penn State University majoring in Business Administration and Organizational Leadership.

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Jackie Dula, FACHE


Jackie Dula is the Chief Strategy Officer for Capstone Health Alliance.  Jackie’s responsibilities include oversight of strategic planning, strategic partners. building new partnerships and management of special pilot projects. Jackie joined Capstone Health Alliance in 2016 in a Director role working primarily on development of the purchased services portfolio. Prior to Capstone, Jackie worked in health management, population health and predictive modeling for a regional third party administrator. Her experience also includes serving as Vice President of Planning and Business Development for a group of post-acute continuum providers in Asheville, NC. Her responsibilities included customer and client relations, managed care contracting, and all related partnerships. She was trained in lean operational improvement tools and participated in multiple lean process redesign events during her 12 year tenure.

Jackie holds a Bachelor of Science degree in with a double major in Business Marketing and Communication Studies/Public Relations from the University of North Carolina at Greensboro and a Master’s in Business Administration from Western Carolina University. She has been involved with the United Way of Asheville and Buncombe County for over 20 years in various roles including Board member, Grants and Admissions committee chair, Health Funding council chair, CarePartners campaign chair. She is Communications Chair of the Western North Carolina Association of Health Underwriters and President of the Board of Directors for the Council on Aging of Asheville and Buncombe County She is licensed by the North Carolina Department of Insurance as a Health/Accident and Casualty Insurance agent.  She is a graduate of the Leadership Asheville Program and a Fellow in the American College of Healthcare Executives. 

Hope Childers


Hope Childers, Vice President, Field Services of Capstone Health Alliance has been with Capstone since 2010. Hope’s responsibilities include coordinating and overseeing all field operations, program initiatives and cost savings opportunities for the Capstone membership. Hope works closely with the Capstone contracting team, as well as member Councils and Committees to help determine saving opportunities and initiatives for the membership. Hope is also responsible for the oversight of the new member implementation process for Capstone.

Hope has 14 years of experience in Supply Chain prior to joining the original WNC Health Network. Hope was Purchasing Agent at Cape Fear Valley, Fayetteville N.C. and Senior Buyer at Lexington Medical Center, West Columbia S.C. Before her healthcare career, Hope was in Manufacturing Textile Supply Chain for Stepping Stones/House of Perfection in West Columbia, SC.

Hope holds a BS degree in Psychology from Lander University with a Minor of Child and Family studies. She has been involved in various Premier sourcing committees. Hope and her family are avid Clemson fans and enjoy spending time in Clemson supporting their Tigers. Hope resides in her home town Batesburg-Leesville, S.C. with her husband, two daughters and son.
Sonya McCall

Sonya McCall, CPA


Sonya McCall is the Chief Finance & Compliance Officer at Capstone Health Alliance. Sonya joined the alliance in June of 2013 when the group purchasing department was still under the umbrella of the WNC Health Network. When the organizations split in October 2013, Sonya was instrumental in helping form Capstone Health Alliance. Since then, Sonya has been responsible for financial statements, payroll, human resources, budgeting, banking, taxes & audits for both companies. She is also responsible for corporate compliance of related laws and regulations. 

Prior to joining Capstone, Sonya worked for a number of healthcare systems in Western North Carolina including Greenville Hospital System, Mission Health System, and CarePartners. Her positions included, Business Analyst II, Internal Auditor & Senior Financial Analyst, and Accounting Supervisor. She performed financial reviews, physician compensation for practices accumulating to over $119 million in revenue, prepared the Finance Package of systems greater than $800 Million, and was an interim CFO.

Preceding her time in healthcare, Sonya worked at two separate accounting firms as a Senior Financial Auditor leading a team of CPA’s that performed financial audits for various companies and organizations. She was also the Director of Accounting at Brevard College in Brevard, NC, where she was responsible for not only reporting, but policy and human resources. 

Since 1997, Sonya has been a Certified Public Accountant in North Carolina. She obtained her Bachelor’s Degree from UNC Asheville in Accounting where she graduated with Distinction and a Master’s Degree in Health Sciences Management from Western Carolina University. 

Sonya is a member of the AICPA (American Institute of Certified Public Accountants), NCACPA (North Carolina Association for Certified Public Accountants), and SHRM (The Society for Human Resource Management). She has also worked on the Healthcare Industry committee for the NCACPA. 

Kristin Scott, SHRM-CP


Kristin Markham Scott, Vice President of Human Resources & Education, Capstone Health Alliance has been with Capstone since 2012. Kristin’s responsibilities include overseeing and directing Human Resources functions for the organization. Kristin is also responsible for the development and oversight of the Capstone Learning Academy and the Capstone Leadership Institute. Kristin directs, and implements Capstone education platforms and programs offered to Capstone Members and Supplier Partners. Kristin works closely with the Capstone team, as well as member Councils and Committees.

Kristin has a strong background in Psychotherapy. Prior to working for Capstone, she was employed as a counselor at The University of TN, Knoxville as well as Vanderbilt Medical Center. Kristin brings 20 years of experience in solution focused counseling with an emphasis in conflict resolution, mediation, career counseling and organizational development. Kristin has obtained her NCC from the National Board for Certified Counselors, as well as her SHRM-CP from the Society for Human Resource Management.

Kristin holds a BS degree in Sociology from Western Carolina University with a Minor in Business. In addition, Kristin received a M.A.Ed. in Counseling from Wake Forest University. Kristin serves on numerous non-profit organization boards and committees, with a heart for volunteering. Kristin resides in western NC with her husband Bill, 5 children and 2 dogs. In her spare time, she enjoys traveling with her family and outdoor activities.