Profile of Tax Professionals

Cynthia L. Graberitz
ENROLLED AGENT
Read my bio
Cynthia L. Graberitz
After 30 years of working in the accounting and tax preparation field, 2018 was the year to open an office.
I am proud of my degrees from both Northampton Community College & Muhlenberg College plus my many years of hard work. I started my career working with an Enrolled Agent in a small firm for twelve years. This is where I learned the value of an Enrolled Agent accreditation and set my sights on achieving it.
The next twelve years I worked in corporate accounting, while continuing tax preparation nights and weekends. My greatest take away from working in a global firm was a great appreciation of people from many cultures around the world.
Just prior to opening the office here in Allentown, I spent two years working full-time at a local CPA firm.
On a personal note, I live with my partner Paul in South Whitehall Township. I am a proud grandmother and enjoy spending time with my charming granddaughter. We have two rescue puppies that we call fur babies. We enjoy music festivals, boating, church and family.
I enjoy reading, value education and over all just like learning new things. I especially enjoy keeping up with the latest technology. I work hard to offer the best value and quality service to my clients.
Enrolled agent status is the highest credential the IRS awards. Individuals who obtain this elite status must adhere to ethical standards and complete 72 hours of continuing education courses every three years.
NTPI Level 2 Fellow Certification
- Communicating with the IRS
- Non-Filers
- Examination (introduction and advanced)
- Appeals (introduction, exam appeals, collection appeals and advanced appeals)
- Tax Research and Resources
- Collections
- Criminal Investigation (introduction and advanced)
- Form 1040 Audits
- Innocent Spouse
- Freedom of Information Act
- Case Resolutions
- Trust Fund Recovery
- Liens and Levies
- Correcting Bad Actions of Clients
- Bankruptcy
*Enrolled agents are the only tax professionals licensed by the US Department of Treasury

Kimberly C. Knappenberger
ACCOUNTING SPECIALIST
Kimberly C. Knappenberger
My college career started at Lehigh Carbon Community College in the fall of 2018 and just recently ended in December of 2020. I now have both an Associate Degree in Accounting along with an Associate Degree in Arts majoring in General Studies. I will be furthering my education over the next year studying for my IRS Enrolled Agent Exam to obtain my EA credential.
The 2020 Tax Season will be my 4th season on the Tilghman Accounting + Tax team. I have appreciated expanding my knowledge over the last 4 years learning and gaining valuable experience in a variety of different accounting skills. I have been fortunate enough to develop a mentorship with my Aunt Cindy who is a successful experienced business owner. Cindy and Paul have developed a great work atmosphere, and I genuinely love my work. The rest of the team is friendly and caring, I enjoy learning next to all of them as well.
My roll at Tilghman Accounting consists of; personal and business tax return data entry, bookkeeping services, payroll returns, and sales tax returns.
I have lived in Macungie Pennsylvania my whole life. I am a big animal lover; I have a border collie named Taz who is my pride and joy. With my increasing spare time now that I have recently graduated, I plan to spend my time advancing my education, exercising, drawing, and spending time with my family and pets.

Jasmine S. Derhammer
TAX PREPARER & MEDICARE SOLUTIONS SPECIALIST
Jasmine S. Derhammer
I grew up in the Lehigh Valley and currently reside in Emmaus. Attended Shippensburg University to earn my bachelors degree majoring in finance and economics.
I’ve been preparing tax returns for over 15 years at CPA and accounting firms. Over the years I have gained training and experience in both individual and small business tax returns. In addition to taxes I specialize in Medicare solutions planning and I’m a licensed agent.
I started working at Tilghman Accounting + Tax Solutions in the spring of 2020 but have worked with Cindy for several years. I’m excited to be working along side this great team.
In my spare time I enjoy traveling, spending time with my son, hiking and camping.

Paul Tews
PRESIDENT OF BUSINESS OPERATIONS
Paul Tews
After formal education, I studied electronics at Warren Tech, followed by serving our country as a Marine in Japan and Vietnam.
Upon returning to the United States worked 19 years as Senior Management in industry and later made the move to a Global company, Mobile Chemical and Excide, where I worked the in capacity of plant engineer to plant manager.
My Experience in industry was followed by 25 years in a senior management position with local healthcare organization where I held the positions of director of operations, project manager and corporate safety officer.
Upon completing employment in the corporate world, I transitioned into consulting for various organizations. Which led to my most recent venture of developing our business at Tilghman Accounting & Tax Solutions with my life partner.
In my free time I enjoy “boating” on my recently renovated pontoon boat named “the Last Chance”. I also working around the house, gardening, and spending time with our two rescue pups.