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Executive Team

George W. Vieth Jr.

President and Chief Executive Officer

Prior to joining Landmark, Mr. Vieth spent ten years at Humana Inc., where he was ultimately responsible for its largest customer segment as a Senior Vice President. In addition, he has served on several boards of directors of health care companies, primarily in the realm of disease management and has extensive experience in venture capital.

Thomas P. Klammer

Vice President and Chief Financial Officer

Mr. Klammer is a CPA and a fifteen-year health care industry veteran. He worked for over ten years at Humana in executive positions in areas ranging from Planning & Development to Sales. His previous experience, in public accounting with Ernst and Young, included coordination of audit, tax and consulting services for HMOs, IPAs and insurance companies.