"Dr. Dan" is a northwest Iowa native, attended Briar Cliff University, the University of Iowa College of Dentistry, and endodontic specialty training at Saint Louis University Center for Advanced Dental Education. He lives with his wife and two sons in Sioux Center. When he's not doing root canals, Dr. Dan enjoys spending time with his family, golfing, and watching anything Hawkeyes.

Albani Hiserote grew up in Sioux City where she met Dr. Dan at the local Dairy Queen. After helping put him through college, dental school, and specialty training, she is not about to stop now! As the Office Manager, Albani will take care of patient accounts, insurance claims, and billing. She'll also make sure the office runs as smooth as possible.

In her spare time, she loves to spend time with her family, travel, and spend her summers in Okoboji.

Lorena Driesen graduated from Rock Valley Community School in 2016. She attended WITCC Dental Assisting program and has her CDA and RDA certificates. She joined our NWI Endo team after graduation. She is microscopically endodontically trained and has been with our office since 2018. In her spare time, she enjoys spending time with her family and her husband.

Callie Zenkovich graduated from North Union High School in Armstrong, IA. She joined NWI Endodontics in 2024. She is microscopically endodontically trained. In her spare time, she loves to spend time with her husband and son, travel, and spend time outdoors.

Kaytee joined NWI Endodontics in 2024. She graduated from Boyden Hull High School in Hull, IA.  She has one daughter that she enjoys spending time with. In her spare time, she enjoys dirt track racing and traveling. 

Carla joined NWI Endodontics in the spring of 2025. She was born and raised in Orange City and attended Northwestern College. She enjoys long walks and bike rides with her two dogs, Bruno and Paula. In her free time, she finds value in learning new cookbook recipes, playing card games, and traveling to any place near the ocean.