Jesus is God, eternal and immortal, and has always existed.
He was there before He was born as a man.
He is the Alpha and the Omega, the First and the Last, the Beginning and the End.
Isa. 9:6; John 1:1, 14-15; 8:57-58; 20:28; Heb. 1:8; 13:8; Rev. 1:8; 22:13