James D. Kang, MD, is a board-certified orthopedic spine surgeon and chairman of the orthopedic surgery department at Boston-based Brigham and Women's Hospital.

Suguna Pappu, MD, PhD, is a board-certified neurosurgeon at Maywood, Ill.-based Loyola Medicine.

David F. Antezana, MD, is a board-certified neurosurgeon at The Oregon Clinic in Portland.

Thomas J. Kleeman, MD, is a board-certified orthopedic spine surgeon and president at New Hampshire NeuroSpine Institute in Bedford.

Justin T. Davis, MD, is a board-certified neurosurgeon at Overland Park (Kan.) Regional Medical Center.

Sebastian Lattuga, MD, is a board-certified orthopedic spine surgeon at New York City-based New York Spine Specialist.

Robert Decker, MD, is a board-certified orthopedic spine surgeon at University of Florida Health in Gainesville.

Alex Mohit, MD, PhD, is a board-certified neurosurgeon at Puyallup, Wash.-based NeoSpine.

Richard Y. Lin, DO, is an orthopedic spine surgeon at Pacific Coast Orthopaedic Institute in Fountain Valley, Calif.

Clifford C. Douglas, MD, is a board-certified neurosurgeon at Loma Linda (Calif.) University Health.

Leif-Erik Bohman, MD, is a neurosurgeon at Delaware Neurosurgical Associates in Newark.

Richard A. Berkman, MD, is a board-certified neurosurgeon at Nashville, Tenn.-based Vanderbilt Spine Center.

Stephen Ryu, MD, PhD, is a board-certified neurosurgeon at Sutter Health in Palo Alto, Calif.

Daryl Sybert, DO, is a board-certified orthopedic spine surgeon at OrthoNeuro in New Albany, Ohio, and Pickerington, Ohio.

Ellen Air, MD, PhD, is a board-certified neurosurgeon at Henry Ford Health System in Detroit.

Roy Baker, MD, is a board-certified neurospine surgeon at Neurological & Spine Institute in Savannah, Ga.

Lane D. Spero, MD, is a board-certified orthopedic spine surgeon at Litchfield Hills Orthopedic Associates in Torrington, Conn., and Bristol, Conn.

Timothy Keenan, MD, is a board-certified orthopedic spine surgeon at Portland, Ore.-based Pacific Spine Specialists.

John D. Lipani, MD, PhD, is a board-certified neurosurgeon and the founding director of Princeton Neurological Surgery in Hamilton Township, N.J.

Zachary Tempel, MD, is a neurosurgeon at Cincinnati-based Mayfield Brain & Spine.