Respondent engaged in gross negligence, incompetence or other misconduct while providing professional services to the public in violation of A.R.S. § 32-128 (C)(2). Respondent failed to apply the appropriate technical knowledge and skill in the practice of a Board-regulated profession in violation of A.R.S. § 32-128 (C)(4), as it relates to A.A.C. R4-30-301(6).