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Leadership

DOS Board of Directors

President

Matthew Tinguely, MD

Matthew Tinguely, MD

Hematologist/Oncologist

Sanford Health

Member-at-Large

Jonathan Bleecker, MD

Jonathan Bleecker, MD

Sanford Health

Member-at-Large

Mark Gitau, MD

Mark Gitau, MD

Sanford Health

Member-at-Large

Steven Powell, MD

Steven Powell, MD

Sanford Health