I have 20 years of experience, and specialize in the field of dizziness and balance with specific knowledge in the areas of gentamicin ototoxicity, benign paroxysmal positional vertigo (BPPV), and hearing loss. I have published on such topics as dizziness, gentamicin ototoxicity, and benign paroxysmal positional vertigo (BPPV). I have testified 50 times on topics such as gentamicin ototoxicity, benign paroxysmal positional vertigo (BPPV), and dizziness.