Contact Us

Call us at (614) 558-2239

Email us at

Or just fill out the form to the right and we will be in touch


P.O. BOX 2387
Westerville, OH 43086
United States

Meet Our Team

Mark Kelnhofer, CFBE, CTA, MBA


Mark Kelnhofer, CFBE, CTA, MBA, President and CEO of Return On Ingredients®, has more than 20 years of experience in bottom line-boosting accounting. He spent 20+ years in managerial cost accounting refining his methods including seven years in restaurant cost management. When these two areas of expertise are combined, his one-of-a-kind methodology was born.

Mark holds a Masters in Business Administration and a Bachelor of Arts majoring in Accounting and Business Administration from Ohio Dominican University in Columbus, Ohio. He is also a Certified Food & Beverage Executive (CFBE) through the American Hotel & Lodging Educational Institute (AHLEI) and Certified Tourism Ambassador (CTA) through the Tourism Ambassador Institute. Mark also is currently a Lecturer of The Ohio State University Hospitality Management program as well as an Adjunct Faculty member at Georgetown University Master's in Global Hospitality Leadership (GHL) program.

Full Bio (.pdf)  |  |  614-558-2239

Join Mark's LinkedIn Group with over 9,000 members from every corner of the globe!  From Afghanistan to Zimbabwe - Click here to join!!

Chef Phil Yandolino

Chef Phil Yandolino, Corporate Chef at Return On Ingredients®, is a multi-talented professional with 25 years of experience in all areas of culinary and hospitality arenas.  As the founding chef and Chief Culinary Officer at the Bravo Brio Restaurant Group (BBRG), he was directly responsible for concept creation, recipe documentation, foodservice standards, and menu development.  Contact Chef Phil today to improve your menu's performance! | 614-271-1332.