Jean-Luc Picard

 was the captain of the USS Enterprise.

He sent Commander Riker on a mission to check up on mining operations on Naia VII. After an accident there, he beamed down to the planet himself, and revealed to Geordi La Forge that Starfleet was cutting corners in safety in order to rebuild the fleet after their losses to the Borg at Wolf 359.

After Riker, Data and Dr. Crusher met the Doctor, Amy and Rory in the holodeck of the Enterprise, Picard met them in the ship's observation lounge. He remained politely skeptical of the three visitors, but their discussion was interrupted by news of the attack on Delta IV. He recognized the Borg's ships around the planet, and agreed with the Doctor's sentiment that they "shouldn't be here". (IDW: Assimilation²)