Kalavak was the Romulan Ambassador to the United Federation of Planets in 2380, replacing his predecessor, T'Kala, in the wake of her suicide and of Romulan Praetor Tal'Aura's continuing struggle to stabilize the Romulan Star Empire after Shinzon of Remus' coup d'etat.

One of his first acts was meeting with Federation President Nanietta Bacco and Klingon Ambassador to the Federation K'mtok in the Presidential Office of the Palais de la Concorde to reveal the death of rogue Romulan admiral Mendak, who had been responsible for destroying the moon of a Klingon planet on which Reman refugees had been resettled. (ST novel: Articles of the Federation)

During the invasion of the Borg Collective in 2381, the USS Enterprise-E followed a lead near the Azure Nebula along the border between the Federation, Klingon Empire, and Romulan Star Empire. Anticipating military action, President Bacco had Secretary Safranski summon the Ambassador. (ST - Destiny novel: Gods of Night)

When the Borg Invasion of 2381 reached a critical stage, President Bacco called an emergency summit on Earth hoping to convince the various ambassadors to pledge support to an allied fleet to defend against the invading Borg Collective. Kalavak used the gathering as an opportunity to demand reparations and the release of captured worlds from the Imperial Romulan State Ambassador, Jovis. Kalavak did not initially pledge the support of the Romulan Star Navy, but later acquiesced. (ST - Destiny novel: Mere Mortals)

About two months after the invasion, Kalavak informed President Bacco that the Romulan Star Empire would no longer accept aid from the Federation, nor would it allow Federation ships to cross the border without permission. Shortly after, Kalavak was presumably recalled as Romulan ambassador, to be replaced by an ambassador representing the Typhon Pact. (ST novel: A Singular Destiny)

Romulan Ambassadors to the United Federation of Planets
RomulanEmblem Primary universe NanclusT'KalaKalavak RomulanEmblem
Kelvin timeline JoltairPilok
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