Experienced Dental Team at Witkowski Dental

DOCTORS

Dr. LJ Witkowski III
Dr. LJ Witkowski III
Dr. LJ graduated from The University of Iowa College of Dentistry in 2005. It is the finest institution of higher learning in the country—just ask him. Dr. LJ values taking continuing education, namely in the areas of digital dentistry, cosmetic dentistry and implant surgery. Dr. LJ is a member of ADA, CDS, ISDA, Cerec Doctors and Spear, certified in Invisalign and Kois trained. He takes pride in providing a family-friendly atmosphere in his dental practice and makes the finest balloon animals of any dentist in Mokena, IL (that’s a challenge Dr. Burton).

In his free time, Dr. LJ enjoys spending time with his three children, Penelope, James and June. With any time remaining, he enjoys reading 2-3 pages in a book with no pictures before falling asleep, losing golf balls on the golf course and going to the gym every 3-4 weeks, as time allows.

ADA - American Dental Association
CDS - Chicago Dental Society

Spear Education

CEREC
Invisalign
AAPD - American Academy of Pediatric Dentistry

ADA - American Dental Association
CDS - Chicago Dental Society

Spear Education

CEREC
Invisalign
AAPD - American Academy of Pediatric Dentistry
Dr. Leslie Clevenger
Dr. Leslie Clevenger
A native of Indiana, Dr. Clevenger graduated with honors from Saint Joseph’s College in Rensselaer, IN, with a degree in biology in 2004. She then earned her Doctor of Dental Surgery degree from Indiana University School of Dentistry in 2010. Dr. Clevenger remains committed to continuing her education, completing numerous advanced training courses in topics such as same-day CEREC crowns, Invisalign, implants and pediatric dentistry, just to name a few. Her practice philosophy centers on patient comfort and a great experience. She is excited to be the newest member of the Witkowski Dental family and join Dr. Wit and Dr. LJ in creating a fun, relaxing atmosphere.

Dr. Clevenger lives in Munster, IN, with her wife Corrie and their two daughters Chase and Riley. Outside of the office, she is an avid sports fan and enjoys cycling, working out and traveling.

Dr. Emili Hester
Dr. Emili Hester
Dr. Emili earned her Doctor of Dental Surgery degree from Indiana University School of Dentistry. Originally from Mokena, she is dedicated to providing compassionate, comprehensive care to patients of all ages, with a special interest in pediatric dentistry. Before pursuing dentistry, Dr. Emili was a collegiate gymnast at Eastern Michigan University, where she competed on a full athletic scholarship—an experience that taught her discipline, focus, and the importance of teamwork, qualities she carries into her dental career. Dr. Emili is passionate about being a lifelong learner and actively pursues continuing education. She has a strong interest in cosmetic treatments, including Invisalign and Botox, and values using the latest techniques and technology to enhance patient outcomes. She is a proud member of the American Dental Association and Chicago Dental Society.

Outside of dentistry, Dr. Emili enjoys working out, watching her favorite TV shows with her husband Caleb, and spending time in the gym coaching gymnastics—one of her longtime passions.

DENTAL HYGIENIST

Stacey
Stacey
Stacey has been a dental hygienist for 12 years. She graduated in 2009 from Kennedy-King College Dental Hygiene program at University of Chicago. She is certified in administering local anesthetic and carries a license to practice both in Illinois and Indiana. Stacey has been part of the Witkowski Dental family for 9 years. Originally from the south east side of Chicago, she now resides in Northwest Indiana with her husband and 2 daughters.
Jennifer
Jennifer
I have been a dental hygienist for over 20 years and in the dental field for over 30 years. I have been married for almost 10 years and step mom to two handsome boys. When I am not golfing or spending time with family, I am snuggling with my two English bulldogs.
Samantha
Samantha
I have been in the dental field since 2013, first assisting and then practicing hygiene. I like the proactive nature of my career. I obtained my hygiene license in Tennessee from Remington College and recently moved back to Illinois to be near family. I now live in Frankfort and love to be by the lake and spend time with my family and travel whenever I get an opportunity!
Michelle
Michelle
Michelle graduated #1 in her class at Prairie State College in 2016, where she discovered her passion for helping patients achieve healthy, confident smiles. She truly loves the field of dental hygiene and is dedicated to providing gentle, thorough care to every patient she sees.

Michelle is certified in nitrous oxide administration, local anesthesia, and diode laser therapy, allowing her to offer comfortable and comprehensive treatment.

Outside of the office, Michelle enjoys spending time with her husband, their son Logan, and their beloved fur baby. In her free time, you’ll often find her curled up with a good book or indulging in her love for reality TV and documentaries.

FRONT DESK

Bonnie
Bonnie
Bonnie is a 20-year front desk employee. She has also been a patient of the office since she was a small girl. In her spare time, she enjoys quilting, traveling and being with her three sons and four grandchildren.
Megan
Megan
Originally from Mokena, Megan works as a dental receptionist, known for her friendly nature and caring disposition. Outside the office, she’s passionate about animals, nature, and painting­ often finding inspiration for her art in the outdoors. Whether she’s creating a new piece or spending time with animals, she likes to bring warmth and creativity to everything she does.
Sarah
Sarah
Sarah recently discovered a passion for the dental world and now proudly serves as a receptionist here at Witkowski Dental. With a natural gift for making people feel welcomed and cared for, she takes pride in being the friendly face that patients see first.

When she’s not at the front desk, you’ll likely find her outdoors enjoying nature or indulging in her lifelong love for all things Disney. Whether it’s rewatching classic films or planning her next magical adventure. At home, she shares her life with her husband Ryan and their two beloved fur babies, Midnight and Merlin.

Driven by kindness and a heart for helping others, Sarah is excited about this new chapter in the dental field and looks forward to growing every step of the way.

DENTAL ASSISTANTS

Claudia
Claudia
Claudia is a dental assistant at Witkowski Dental. She has been assisting for 11 years–4 of them with Dr. LJ and Dr. Witkowski. Claudia is certified in digital dentistry and nitrous oxide administration. She resides in Tinley Park and enjoys traveling and spending time with her family.
Cassie
Cassie
Cassie has been a dental assistant for over 5 years. She is the office whitening specialist well as CEREC digital dentistry certified. In her spare time, she enjoys traveling with her family.
Cheli
Cheli
Araceli has been a dental assistant for over 10 years and has been part of our team for the past three. She finds joy in helping patients feel confident about their smiles and takes pride in providing quality care through every step of their dental experience. Araceli also enjoys the technical side of dentistry, spending time in the lab crafting night guards, bleach trays, and printed models, as well as working with CEREC digital technology. Outside the office, she loves traveling, staying active at the gym, attending concerts, and spending quality time with family and friends.

ASSISTANT / COORDINATOR

Gracie
Gracie
Gracie has been a dental assistant for over 15 years. She is certified in CEREC digital dentistry and nitrous oxide administration. She especially enjoys assisting during dental surgeries. Gracie writes the office newsletters and is involved in the office social media. She resides in the southwest suburbs with her Malinois, Logan. In her spare time, she enjoys international travel and getting to experience how other cultures live and enjoy the beauty of the world.
Squid
Squid
Meet Squid, our furry staff member! Squid is our resident three-legged pup and Dr. LJ’s best friend. Squid is a very well-behaved Chihuahua Min Pin who knows how to make people smile. He typically assists Dr. LJ on Fridays, so be sure to say hi if you see him on your next visit!