About Us

Mark Fiala

Mark Fiala brings over 20 years of strategic human resources leadership to provide you with solutions to your business’ needs in talent management. As a member of senior management himself, Mark has led the Human Resources functions in both privately-held and public companies with revenues exceeding $500 million. Mark understands your needs and can provide solutions to help you achieve your organization’s goals.

Prior to Organizational Architecture, Mark held senior human resources positions in the retail, specialty chemical and mortgage industries. Additionally, he has experience in the insurance and health care industries. He holds the designations of Certified Employee Benefits Specialist and Senior Professional in Human Resources. Mark earned his MBA from The Ohio State University.

Mark served in the United States Navy as an intelligence officer.

Download full bio here.

Contact Mark at markfiala@oahumanresources.com or connect with him on Linkedin here.


Sindy Warren

Sindy Warren has been helping employers comply with employment laws for many years. She conducts workplace investigations, creates and presents training programs on a wide variety of employment law and human resources issues, and acts as an as-needed human resources department for private and public employers, both large and small, throughout Northeast Ohio and nationally.

She has investigated many employee complaints, including complaints of harassment, discrimination, retaliation, fraud and other workplace misconduct. She has trained managers and employees on issues ranging from harassment to performance management. She has provided one-on-one sensitivity training to executive and other supervisory employees. She has also provided consulting services including creating employee handbooks, revising policies and procedures, and assisting employers with discipline and termination issues.

Prior to starting her consulting business, Sindy was an employment litigator for McCutchen, Doyle, Brown & Enersen in San Francisco; Foley Hoag in Boston; and Duvin, Cahn & Hutton in Cleveland.  Sindy graduated from Stanford Law School with honors in 1996 and Tufts University [Phi Beta Kappa, magna cum laude] in 1993.

You can link to more information on her practice here and you can connect with her on Linkedin here.


Heather Brown

Heather Brown provides support to clients and staff as Office Manager.  She brings experience as a business owner having established both a successful hair salon and school of cosmetology in Colorado, as well as providing office and bookkeeping support for a general contractor/construction company.  Her experience with small business operations not only helps us at OA but our clients as well.

In addition to her training and licensure in the salon industry, Heather earned an Associate of Arts degree from the University of Cincinnati.

Contact Heather at heatherbrown@oahumanresources.com or connect with her on Linkedin here.