Taibak was a Romulan officer who served in the Romulan Star Empire in the late 24th century.

In 2367, Taibak was part of a mission to capture and brainwash Lieutenant Commander Geordi La Forge. After La Forge was captured from the shuttlecraft Onizuka, he was taken aboard a Romulan Warbird. There, Taibak brainwashed La Forge and modified his VISOR to receive E-band emissions. During a holographic simulation, La Forge was forced by Taibak to kill Chief Miles O'Brien on several occasions to ensure that the mind control was functioning.

After Taibak was satisfied that Commander La Forge was ready, he was sent back to the USS Enterprise-D. There, La Forge received E-band emissions through his VISOR from a transmitter used by Kell, a Klingon ambassador and traitor to the Klingon Empire. The E-band emissions subconsciously directed La Forge to kill Vagh, a Klingon governor, and destroy the Federation-Klingon Treaty. (TNG: "The Mind's Eye")

Taibak was played by John Fleck in his first Star Trek role. "It was kind of fun," he recalled. (Star Trek Monthly issue 91, p. 31)
His name comes from the script.
Taibak was either a physician (episode script) or a scientist. (Star Trek Encyclopedia (3rd ed., p. 492))
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