Memberships
In addition to his professional certifications, Ha maintains membership in several professional organizations that focus on quality improvement.
American Society for Quality (ASQ), Fellow
- ASQ Dayton Section 0909: Chair (2007-2008)
- ASQ Dayton Section 0909: Vice-Chair (2006-2007)
- ASQ Dayton Section 0909: Re-Certification Chair (1994-2006)
Society of Manufacturing Engineers (SME), Senior Member
- SME Dayton Section 18: Secretary (2004-2005)
International Society of Six Sigma Professionals (ISSSP), Member
Automotive Industry Action Group (AIAG), Member