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Mark Birzell

Partner, HR & Transformation | Seattle

Mark Birzell

Mark has 25 years of experience across multiple industries including retail, healthcare, technology, financial services, and manufacturing as well as multiple business functions such as Operations, Finance, Human Resources, Legal, and Sales.  He co-founded and successfully sold Loft9 Consulting and is currently the Market Leader for Sia Partners in the Seattle office.



  1. Sia Partners; Seattle Market Lead; Partner 3/2019-current
  2. Loft9 Founding Partner; 1/2010-2/2019
  3. Point B Consulting; 9/2004-12/2009
  4. GE Financial Services – Six Sigma Black Belt
  5. Accenture – Senior Consultant
  6. GE Lighting – Sales Manager