Meet Our Talented Associates! DELISI & ASSOCIATES, P.C. is built on a proud tradition of service, technical expertise, and innovative thinking. Our staff's experience and academic credentials give our clients the depth of knowledge you'll find in a larger firm, while our dedication to superior customer service offers the personal, one-on-one approach that smaller firms are known for. We hope you'll take a few minutes to get acquainted with our staff!

David S. Delisi, C.P.A., M.B.A., C.S.E.P. Partner DaveD@DelisiAssociates.com   Dave is a 1974 graduate of Indiana University of Pennsylvania. He completed his Masters Degree in Business Administration in 1980 at Indiana University of Pennsylvania. Mr. Delisi has worked for a small local firm and a large Pittsburgh firm before establishing his own practice in 1985. During his tenure in Pittsburgh, Mr. Delisi was a Supervising Senior Accountant on several of the firm's audit engagements. Mr. Delisi served as an Associate Professor of Accounting at Indiana University of Pennsylvania. He has also taught at Westmoreland County Community College. Courses taught include: Principles of Accounting, Cost Accounting, Federal Taxation, and Auditing. Mr. Delisi has achieved the designation of Certified Specialist in Estate Planning. Past President of Greensburg YMCA, Past President – Greensburg Rotary Club, Trustee of First Evangelical Lutheran Church, Member of Westmoreland County Historical Society, Past President of Greensburg Business Association, Chair of Fundraising for Hempfield Area Marching Band Tournament of Roses Committee, Past President of Central Westmoreland United Way, Chairman of Eagle Scout dinner for Westmoreland-Fayette Council Boy Scouts of America, Board Member of Westmoreland County Community College Foundation.
Catherine E. Heide, C.P.A., B.S. Partner CathyH@DelisiAssociates.com Cathy is a 1988 graduate of Saint Vincent College with a Bachelor of Science Degree in Accounting. She is a partner in the firm and serves as the Director of Auditing. Prior to joining the firm as a staff accountant, she worked in local government as an auditor for seven years. Her professional affiliations include the American Institute of Certified Public Accountants and the Pennsylvania Institute of Certified Public Accountants, where she has served as various local chapter committee chairpersons in the past. Cathy has served as a board member and chairperson of several committees of the Westmoreland County Chapter of the American Red Cross.
Keely A. Keenan, C.P.A., B.S. Partner KeelyK@DelisiAssociates.com   Keely is a 2002 graduate of Saint Vincent College with a Bachelor of Science Degree in Accounting.  Prior to joining our firm, Keely worked at a Big 4 CPA firm as well as a local CPA firm as a Senior Auditor. She also has experience in SEC financial reporting as a Senior Financial Analyst. Keely currently serves as a Project Manager at our firm. She is our most recent staff member to receive her CPA license.
Michael P. Keenan, C.P.A., M.B.A Partner MikeK@DelisiAssociates.com Michael is a 2000 graduate of Saint Vincent College with a Bachelor of Science in Accounting and Finance with high honors.  He completed his Masters of Business Administration in 2008 at Duquesne University with high honors.  Prior to joining our firm, Michael worked with Arthur Andersen as Staff Auditor, Ernst & Young as Audit Senior, and in private industry as a Senior Financial Analyst, Manager of Corporate Financial Planning and Forecasting, and Manager of Finance and Accounting.  Michael also served in the U.S. Army (Pennsylvania Army National Guard) from 1996 to 2002.
Susan L. Muller, C.P.A., B.S. Manager SueM@DelisiAssociates.com   Sue is a 1992 graduate of the University of Pittsburgh at Greensburg with a Bachelor of Science Degree in Business Management with an Accounting major. Sue is our Director of Accounting. She provides tax planning and compliance services to our clients. She has worked at a local and regional CPA firm prior to joining our firm. Sue is a Quickbooks Certified ProAdvisor.  Her professional affiliations include the Pennsylvania Institute of Certified Public Accountants.
Jennifer R. Schirf, C.P.A. Senior Associate JenS@DelisiAssociates.com Jennifer is a 2003 graduate of Saint Vincent College with a Bachelor of Science Degree in Finance with a minor in Accounting. Prior to joining the firm, she worked for the Pennsylvania Public Utility Commission as an auditor for six years. She also has six additional years accounting experience in small private industrial settings.  Her professional affiliations include the American Institute of Certified Public Accountants and the Pennsylvania Institute of Certified Public Accountants.  Jennifer is a Senior Associate with our firm.
Christy McConnell, C.P.A., B.A. Staff Associate ChristyM@DelisiAssociates.com   Christy is a 1996 graduate of Indiana University of Pennsylvania with a Bachelor of Arts Degree in Accounting - Summa Cum Laude. She has worked for two other public accounting firms in Indiana, PA and Pittsburgh, PA. She was also a Controller for a local Greensburg business.
Angie M. Cerreti, B.S Staff Associate AngieC@DelisiAssociates.com Angie is a 2001 graduate of the University of Pittsburgh at Greensburg with a Bachelor of Science degree in Business Management with an Accounting Major.  Prior to joining our firm, Angie worked for a local accounting firm for several years as a Staff Accountant.  She was also an Accounting Clerk at a local business.  Angie is a Staff Accountant with our firm.
Deborah Delisi, B.S., M.A. Administrative Support and Accounts Receivable DebbieD@DelisiAssociates.com Debbie has a Bachelor of Science in English from West Virginia University and a Master's Degree in Special Education from Indiana University of Pennsylvania. She is an active member of her church. Debbie is assisting with our firm's internal accounting, administrative support, and accounts receivable.
Christine E. Hoke Certified Software Consultant and Trainer ChristineH@Delisiassociates.com   Christine is a 1990 graduate of Business Career Institute with a certificate in Business Computer Applications. While attending Business Careers Institute, she completed an internship in the accounting department at the University of Pittsburgh at Greensburg. She also completed two years of Humanities Studies and two years of Fine Arts Studies in Greenville, South Carolina. Her involvement with civic activities includes past position of First Vice Chairman of the Republican Party in Greenville, South Carolina and volunteer work for various organizations/committees and women's groups. Since joining the firm in 1990 as a receptionist, she has served as Office Manager. Currently, she has been promoted to Software Consultant where she receives Certification in Peachtree Accounting Software, Timeslips Billing Software, and Crystal Reporting annually. Additionally, she has passed the ProAdvisor Program and maintains all in-house network, software, and installations. She teaches Peachtree and QuickBooks courses in our office and at the Westmoreland County Community College in Youngwood throughout the year.
Michelle L. Miller-Penich, B.S. Senior Associate MichelleMP@DelisiAssociates.com   Michelle is a 1992 graduate of the University of Pittsburgh at Greensburg with a Bachelor of Science degree in Business Management with an Accounting Major. She has worked at a local CPA firm prior to joining our firm. Additionally, Michelle has worked as an accountant for a nonprofit organization and a financial institution. Michelle is a Project Manager with our firm.
Tricia Nicholson, B.S. Senior Associate TriciaN@DelisiAssociates.com   Tricia has received an Associate Degree from Bauder College in Atlanta, GA and obtained her Bachelor Degree in Accounting from the University of Maryland in 2007. Prior to joining the firm, Tricia worked in management and accounts payable with various companies. She is an accounting affiliate of the PICPA. Tricia is our Accounting Associate focusing on obtaining her CPA license. She is also a Notary Public.
Laura Pedder Senior Associate LauraP@DelisiAssociates.com Laura is a graduate of Forbes Road East A.V.T.S. with a certificate in accounting. She has ten years prior experience as a Staff Accountant and Accounting Supervisor. Laura is very active in both the Boy Scout and Girl Scout organizations. She is an Accounting Staff Associate with our firm.
Diane Sellinger Staff Associate DianeS@DelisiAssociates.com   Diane is a graduate of Westmoreland County Community College with an Associate Degree in Accounting. She has over 19 years of experience in public accounting. Diane owns her own small business; and also volunteers with the AARP Tax-Aide program.
Susan Stoltz Office Manager SusanS@DelisiAssociates.com   Susan is a graduate of Canevin High School. She has attended Duff’s Business School in Pittsburgh. Susan has diversified experience in clerical, secretarial, library, website coordination and administrative duties. Her past work experience includes a local, major retail store as well as two local libraries. Susan is the Office Manager with our firm.
Deborah Thackrah Administrative Assistant DeborahT@DelisiAssociates.com   Debbie is a graduate of WCCC with an Associate Degree in Human Services. Debbie's past work experience includes performing secretarial and billing duties at a local law firm and working as a rehabilitation therapist at a local chiropractic office.
David J. Witt, B.S. Staff Associate DavidW@DelisiAssociates.com David is a 2011 graduate of Geneva College with a Bachelor of Science in Accounting and Business Administration- Summa Cum Laude. Prior to joining our firm, David interned with another local CPA firm. David is currently working towards obtaining his CPA license. He is a Staff Associate with our firm.
Ilona Yenich Staff Associate IlonaY@DelisiAssociates.com   Ilona is a graduate of South Huntingdon High School and attended Westmoreland County Community College and majored in accounting. She has worked in the capacity of Accounting Assistant and Tax Return Preparer for various companies. In addition, Ilona has been a small business owner for many years.