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Meet Our Resident Physicians

Dr. Ashley Ahlquist

Dr. Kevin Pennycook

Dr. Kevin Pennycook is a native of Troy, Michigan. He completed his undergraduate education at Michigan State University Honors College with a degree in Human Biology with High Honor in 2015. Dr. Pennycook attended medical school at Michigan State College of Osteopathic Medicine and graduated in 2019. During medical school, he served as a lab instructor for anatomy, histology, and pathology. Dr. Pennycook fell in love with dermatology during his clinical rotations after experiencing the impact he could have on his patients’ lives. After graduation, Dr. Pennycook completed a Transitional Year Internship with Wayne State University at Ascension Providence Rochester Hospital in Rochester, Michigan. 

In his free time, Dr. Pennycook enjoys a wide range of activities. He lives an active lifestyle and enjoys golf, fitness, and hikes with his Golden Retriever pup Rosie. Dr. Pennycook is a big sports fan and never misses a Michigan State Spartan football or basketball game. He recently found interest in cooking and loves grilling out in his backyard with family and friends. 

Dr. Pennycook is excited to join the Goodman Dermatology family and is eager to serve the northern Atlanta community

Dr. Ashley Ahlquist

Dr. Michael Roberts

Dr. Michael Roberts was born and raised in Columbus, Ohio. He attended college at The Ohio State University where he obtained a Bachelors of Science degree in Biology and Psychology. He has spent over 2 years working with underprivlaged youth and voluntering at the Suicide Hotline. He also spent 1 year providing quality control at a major pharmaceutical company. He left to pursue an education at Lake Erie College of Osteopathic Medicine in Bradenton, Florida. This is where he found his passion for Dermatology and Research. Dr. Roberts proceeded to undertake his Traditional Rotating Intership focused in Internal Medicine in Hattiesburg Mississippi at Merit Health Wesley.

Dr. Roberts approaches each patient with compassion and respect. He plans to provide the top quality and care to all his patients.

Outside of Medicine, Dr. Roberts enjoys working on classic cars, hiking, and going to the beach. Dr. Roberts will take any chance he gets to be with his family, friends, and his cat Taco.

Dr. Ashley Ahlquist

Dr. Keith Pennycook

Dr. Keith Pennycook was born and raised in Troy, Michigan. He graduated from Michigan State University Honors College with a degree in Human Biology with High Honor in 2015. Dr. Pennycook attended medical school at Michigan State University College of Osteopathic Medicine and graduated second in his class in 2019. He became interested in pursuing a career in dermatology during his clinical rotations at Michigan State. After graduating from medical school, Dr. Pennycook completed a Transitional Year Internship as the Chief Resident with Wayne State University at Ascension Providence Rochester Hospital in Rochester, Michigan.

Dr. Pennycook is a huge fan of the Michigan State Spartans, particularly the football and basketball teams. His favorite sport is college football but he is also a big fan of the Detroit Lions, Pistons, Tigers, and Red Wings. Dr. Pennycook’s favorite hobby is golfing and he enjoys many other outdoor activities as well such as jet skiing, boating, and taking his Golden Retriever for a walk. Family is very important to Dr. Pennycook and he is extremely happy to have the opportunity to continue working with his twin brother, Dr. Kevin Pennycook.

Dr. Ashley Ahlquist

Dr. Yasmin Hadian

Dr. Yasmin Hadian was raised in San Jose, California. She obtained her Bachelor’s degree at the University of California Berkeley with a major in Biology and minor in Theater. She then obtained her Master’s in Medical Health Sciences at Touro University California. Subsequently, she also completed medical school at Touro, where she graduated with Honors.

During medical school, Dr. Hadian fell in love with the science and art of dermatology. She extended her medical training with a Clinical Research Fellowship in dermatology at the University of California Davis. Afterward, Dr. Hadian completed her internship at Sampson Regional Medical Center in North Carolina, where she expanded her clinical and procedural skills while providing care to underserved communities.

Dr. Hadian is very excited to be part of the outstanding team at Goodman Dermatology! She is committed to providing the highest quality of care for you and your family. She believes that one of the most important aspects of dermatology is helping change people’s lives, by healing chronic ailments and markedly improving self-esteem.

In addition to medicine, Dr. Hadian loves teaching, traveling, hiking, pilates, acrylic painting, writing prose & poetry, reading mystery novels, and exploring the local comedy scene.

Dr. Ashley Ahlquist

Dr. Seth Bernacki

Dr. Seth Bernacki is a native of Austin, Texas. He completed his undergraduate education at Southern Methodist University with a dual degree in Biology and Economics. Dr. Bernacki attended medical school at University of the Incarnate Word School of Osteopathic Medicine in San Antonio, Texas. He discovered his love for dermatology during his clinical rotations where he worked in underserved communities throughout the Texas Hill Country. After graduating from medical school, Dr. Bernacki completed a Transitional Year Internship at Sampson Regional Medical Center in Clinton, North Carolina.

When he’s not in the office, Dr. Bernacki enjoys trying new restaurants, going to concerts, skateboarding, and spending time with his dog, River. He loves Texas Country music, the Baltimore Ravens, and British TV shows.

Dr. Bernacki is dedicated to serving the northern Atlanta community and is honored to be a member of the Goodman Dermatology family.

Dr. Ashley Ahlquist

Dr. Benjamin Kahn

Dr. Benjamin Kahn was born and raised in Long Island, New York. He graduated from the S.I. Newhouse School of Public Communications at Syracuse University, earning a dual bachelor degree in History and Television, Radio and Film Production. He then pursued a very successful career as a TV and media producer in NYC. Dr. Kahn first realized how empathy for others could make a difference when he wrote, produced, edited, and filmed an award-winning documentary called A Walk in the Dark. The film tells the story of a student whose tragic car accident results in the loss of both his eyesight and his confidence. It chronicles the subsequent healing process that enabled him to succeed in a world of darkness. The film went on to win an award for Best Short Documentary at the NY International Independent Film and Video Festival. At the height of his career he won an Emmy Award as a producer for George to the Rescue on NBC, a show that helps individuals, families and organizations in need of home and community renovations.

With an Emmy in hand and a desire to make more of an impact and help people beyond the camera, Dr. Kahn decided to leave the media industry and made a decision to change his career to medicine. He attended a Post Bachelor Pre-Med program at Stony Brook University, and then attended Medical School at St. George’s University in Grenada where he graduated with Distinction in Scholarly Activity. Dr. Kahn continued his medical training at Coney Island Hospital Transition Year Internship program in Brooklyn, NY.

Dr. Kahn believes the skin has a story to tell and he’s excited to practice dermatology and share his passion for patient care and developing strong relationships with his patients. In his spare time he enjoys spending time with his family and friends, traveling and living an active healthy lifestyle. Dr. Kahn is an avid New York sports and Syracuse Orange fan, and looks forward every year to the college basketball season. Dr. Kahn is looking forward to exploring Georgia and making the south his new home!

Call our office today to book an appointment at (770) 754-0787 or request an appointment online.