I've been speaking for most of my life which is a considerably long time :)
I am new to voiceover work, but I have had singing lessons which had a major effect on my speaking voice as well.
-Bachelor of Arts in Music student, currently year 3.
-5 years of professional vocal training in classical and jazz music
-select university courses in theatre performance which included units on method acting and voice characterization.
-several creative writing courses.
I have garageband audio editing software.
I have a good deal of computer experience and have had some sound and video editing courses in university. I also have experience in public speaking through Christian ministry work, have done vocal jazz and classical music performances, and have taught and entertained children using music.