About Us

Burke & Schindler has provided consulting and project subject matter experts (SME) to their clients for more than 20 years. The Aptissimi operation consists of a bench of over 500 executives and professionals who have a track record of consistently solving problems. Aptissimi’s leadership team is committed to providing the best SME resources available to help their clients reach their goals.

MARK MILLER, Managing Director
Mark has 25 years of professional contracting experience. He served as the Division Director for a large global contracting firm prior to launching Xperianz, one of the most successful professional staff augmentation startups in the Midwest. Mark is a CPA and began his professional career as a Senior Consultant for E&Y. He founded and sold two technology companies and two consulting services firms prior to joining Pat Burke in multiple professional service operations.

PATRICK BURKE, Managing Partner
Pat is the founder of Burke & Schindler and Aptissimi. He is an attorney, CPA, and a partner and director in several national companies focused on professional services to commercial clients. Pat’s accounting firm, Burke & Schindler CPAs, is among the most successful local accounting firms in the region. He has deep family roots in the local law community as well, and also serves on local charity boards, including Boys Hope Girls Hope of Cincinnati where he recently was the Board Chair.

DAN ENGELHARDT, Senior Finance Resource Associate
Dan is a staffing professional dedicated to serving clients and candidates at the highest level. Dan is a graduate of the University of Cincinnati and has strong connections in the region. He enjoys riding motorcycles, traveling and playing the guitar. He is also passionate about volunteering and is involved with several non-profits including Bad Girl Ventures, The Peko Foundation and Habitat for Humanity.