
Education
2007
MA, Medical and Biological Illustration
Johns Hopkins University, School of Medicine, Baltimore, MD
2005
Bachelor of Fine Arts, Biology Minor
Concentrations: Scientific Illustration and Figurative Sculpture
University of Michigan, Ann Arbor, MI, Magna Cum Laude
2004
Internship in Medical Illustration
Center for Creative Education, Medical College of Ohio, Toledo, OH
Post-Graduate Training
2019
Financial Management, Certificate Program
The Office of Executive Education, Johns Hopkins Carey Business School, Baltimore, MD
2017
Leadership Program for Women Faculty
Certificate Program, Office of Women in Science and Medicine & Office of Faculty Development, JHU School of Medicine and the Office of Talent Management, JHU, Baltimore, MD
Board Certification
2009 - present
Certified Medical Illustrator
Board of Certification of Medical Illustrators
Work Experience
2019 - present
2018 - present
2015 - 2018
2012-2015
Director of Operations
Associate Professor
Assistant Professor
Instructor
Departments of Art as Applied to Medicine and Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD
2008–2016
Managing Director
ProAtlantal Studio, biomedical visual communication company, Baltimore, MD. JHU eDisclosure completed and reviewed annually.
2007–2012
Research Associate
Division of Interventional Neuroradiology, Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD
2005–2006
Assistant Web Designer
Department of Art as Applied to Medicine, Johns Hopkins University School of Medicine, Baltimore, MD
2002
Sculpture Laboratory Technical Assistant
University of Michigan School of Art and Design, Ann Arbor, MI.
Projects
Cord Ischemia
Genesis of Ovarian Cancer from the Fallopian Tube
Endometriosis
Skills & Expertise
Animation
Scripts
Storyboards
3D Models
Voice recordings
Medical Illustration
Journal covers
Patient communication
Neuroanatomical visualization
Molecular & cellular visualization
Graphic narratives (comics)
3D modeling
Segmentation of radiological data
3D printing for education and research
Phantoms and flow models
Research
Neuroanatomy
Neurovascular embryology
Efficacy of visual educational media
Patient communication
Radiological visualization





Courses
Professional Actvities
Associations & Organizations
Association of Medical Illustrators:
- 2006–Present, Participant, Annual Salon Exhibitions
- 2008–2012, Member, Communications Editorial Committee
- 2010, Member, Strategic Planning Task Force
- 2011, Assistant Techniques Showcase Coordinator, Meeting Planning Committee
- 2012–2013, 2020, Judge, Annual Salon Committee
- 2012–2017, Member, Professional Guidelines Committee
- 2014–2018, Governor, Board of Governors, elected by membership to 4-year term
- 2015–2016, Chair, Online Education Task Force
- 2015–2016, Vice Chair, Board of Governors, elected by Board
- 2015–2018, Member, Finance Committee
- 2016–2020, Member, Nominating Committee
- 2016–2017, Chair, Board of Governors, elected by Board.
- 2016–2017, Chair, Ad hoc committee for creation of Online Learning Committee
- 2017–2018, Chair Ex Officio, Board of Governors
- 2018–2023, Chair, Online Learning Committee
- 2018-2019 , Liaison, National Association of Schools of Art and Design (NASAD).
- 2019, Hike the Hill, House of Representatives and the Copyright Office Meetings
- 2021, Judge, AMI History Project
- 2022–Present, Member, Online Learning Committee
2008–2017 , The Vesalius Trust:
- 2008, Advisor to the Board of Directors
- 2009–2012, Trustee, Board of Directors, First Term
- 2009–2012, Lead Organizer, Website design and updates
- 2011, Judge, The Dr. Frank H. Netter Award
- 2012–2015, Trustee, Board of Directors, Second Term
- 2015–2017, Advisor to the Board of Directors
- 2015, Representative Speaker and Fundraiser, Comics & Medicine: Spaces of Care
National Organization for Women
- 2008–Present, Member
The BioCommunications Association
- 2011–Present, Participant, Annual BioImages Exhibition
The Illustrators Club of Washington DC, Maryland and Virginia:
- 2010–2015, Participant, Biannual Illustrator Club Exhibition
The Guild of Natural Science Illustrators
- 2012, Regional Workshop Organizer
Graphic Medicine Conference
- 2013–2015, Member, Meeting Planning Committee
- 2014, Conference Chair
- 2014–2015, Organizer, Promotional material design and illustration
- 2015, Session Chair
Visualizing Biological Data (VIZBI)
- 2021, Session Chair for Tissue Panel, Speakers: Arvind Pathak, Léo Guignard & Ali Erturk. Sponsor: European Molecular Biology Organization
- 2023, Guest Associate Editor, Frontiers in Bioinformatics Special Issue: 11th International Meeting on Visualizing Biological Data
Publications
Original Research
- Burger IM, Siclari F, Gregg L, Gailloud P. Bilateral segmental agenesis of the vertebrobasilar junction: developmental and angiographic anatomy. Am J Neuroradiol. 2007; Nov 1;28(10):2017-22. PMID: 17898194
- Gailloud P, Gregg L, Ruiz DS. Developmental anatomy, angiography, and clinical implications of orbital arterial variations involving the stapedial artery. Neuroimaging Clin N Am. 2009; 19(2):169-79. PMID: 19442904
- Pearl M, Gregg L, Gailloud P. Endovascular treatment of aneurysmal subarachnoid hemorrhage. Neurosurg Clin N Am. 2010; 21(2):271-80. PMID: 20380969
- Pearl M, Gomez J, Gregg L, Gailloud P. Endovascular management of vein of Galen aneurysmal malformations. Influence of the normal venous drainage on the choice of a treatment strategy. Child’s Nervous System. 2010; Oct. 1;26(10):1367-79. PMID: 20725731
- Gomez J, Amin AG, Gregg L, Gailloud P. Classification Schemes of Cranial Dural Arteriovenous Fistulas. Neurosurg Clin N Am. 2011; 23(1):55-62. PMID: 22107858
- Pearl M, Chen J, Gregg L, San Millan Ruiz D, Belzberg A, Jallo G, Gailloud P. Angiographic detection and characterization of “cryptic venous anomalies” associated with spinal cord cavernous malformations using flat-panel catheter angiotomography. Operative Neurosurgery. 2012; Sep;71(1 Suppl Operative):125-32. PMID: 22596040
- Gailloud P, Ponti A, Gregg L, Fasel JHD. Focal compression of the upper left thoracic intersegmental arteries as a potential cause of spinal cord ischemia. Am J Neuroradiol. 2014; June 1;35(6):1226-31. PMID: 24407272
- Gailloud P, Gregg L, Galan P, Becker D, Pardo C. The periconal arterial anastomotic circle and the posterior lumbosacral watershed zone of the spinal cord. Journal of Neurointerventional Surgery. 2015; Nov 1;7(11):848-53. PMID: 25280570
- Gregg L, Gailloud P. Transmedullary venous anastomoses – Anatomy and angiographic visualization using FPCA. Am J Neuroradiol. 2015; July 1;36(7):1381-8. PMID: 25953764
- Gregg L, San Millan R, Orru’ E, Tamargo R, Gailloud P. Ventral and dorsal persistent primitive ophthalmic arteries. Operative Neurosurgery. 2015; 12(2), 141-152 PMID: 29506093
- Orru’ E, Sorte D, Gregg L, Wolinsky J, Jallo G, Bydon A, Huang J, Tamargo R, Gokaslan Z, Gailloud P. Intraoperative spinal digital subtraction angiography: indications, technique, safety, and clinical impact. Journal of Neurointerventional Surgery. 2016; June 21;neurintsurg-2016. PMID: 27260971
- Ullman N, Gregg L, Becker D, Pardo C, Gailloud P. Anterior disco-osteo-arterial conflict as a cause of intersegmental arterial flow impairment and spinal cord ischemia. 2016; Nov 1;58(11):1109-15. PMID: 27614629
- Gailloud P, Gregg L, Pearl M, San Millan D. Ascending and Descending Thoracic Vertebral Arteries. Am J Neuroradiol. 2017; Feb 1;38(2):327-35. PMID: 27932511
- Gregg L, Eckart Sorte D, Gailloud P. Intraforaminal Location of Thoracolumbar Radicular Arteries Providing an Anterior Radiculomedullary Artery Using Flat-Panel Catheter Angiotomography. Am J Neuroradiol. 2017; May 1;38(5):1054-60. PMID: 28209578
- Alghamdi MA, Ziermann JM, Gregg L, Diogo R. First detailed musculoskeletal study of a fetus with anencephaly and spina bifida (craniorachischisis), and comparison with other cases of human congenital malformations. Journal of Anatomy. 2017; Mar 1. PMID: 28266009
- Gregg L, Gailloud P. The role of the primitive lateral basilovertebral anastomosis of Padget in variations of the vertebrobasilar arterial system. Anatomical Record. 2017; 300.11: 2025-2038, PMID: 28681461
- Kang L, Gregg L, Gailloud P, Spontaneous resolution of spinal arteriovenous malformations. 2017 Oct 1;59(10):1003-12. PMID: 28780588
- Aslakson R, Lynch TJ, Gregg L, Miller JA, Pastorini C, Schuster A, Weiss M, Bridges JFP. Developing the storyline for an advance care planning video for surgery patients: patient-centered outcomes research engagement from stakeholder summit to State Fair. Journal of Palliative Medicine. 2018; 21.1: 89-94 PMID: 28817359
- Srivastava RK, Jablonska A, Chu C, Gregg L, Bulte J, Koehler RC, Walczak P, Janowski M. Biodistribution of glial progenitors in a 3D printed model of the piglet cerebral ventricular system. Stem Cells and Development. 2019 April 12;28(8):515–527 PMID: 30760110
- Hedjoudje A, Murphy O, Gregg L, Pardo CA, Gailloud P. Spinal fistulas documented by CECT during myelopathy workup: a lost opportunity. Neuroradiology. 2021; 63: 201-207.PMID: 33196864
- Andresen, N. S., Winslow, M. K., Gregg, L., Seal, S. M., Lehar, M., Ward, B. K., & Lauer, A. M. Insights into Presbycusis From the First Temporal Bone Laboratory Within the United States. Otology & Neurotology. 2022; 43(3), 400-408. PMID: 35061640
- Najera E, Bordes SJ, Gailloud P, Gregg L, Martucci M, and Obrzut M. Cervical anterior spinal artery infarction associated with anomalous vertebral artery: a case report. 2024 Mar;66(3):431-435 PMID: 38231252
- Ghuman N, Atagu N, Sachdev R, Covarrubias O, Gregg L, Brookmeyer C, Johnson P, and Gomez E, ‘That’s just the Ovary!’ and Other Cases of Mistaken Identity on CT of the Female Pelvis. Current Problems in Diagnostic Radiology. 2024; May-Jun;53(3):422-435. PMID: 38365459
- Gregg L, Tamargo R, Gailloud P. A spinal perimedullary arteriovenous fistula treated by Walter Dandy and illustrated by Dorcas Hager Padget in 1934. (Medical history research) Journal of Neurosurgery, 2024. In Press
- Seliger A, Mahesh M & Gregg L. Examining the Effects of a Narrative-Based Educational Animation for Radiology Technologists about Discontinuing Gonadal Shielding. Journal of the American College of Radiology. 2024 Sep 16:S1546-1440(24)00771-3. PMID: 39293546
Review Articles
- Kathuria S, Chen J, Gregg L, Parmar H, Gandhi D. Congenital Arterial and Venous Anomalies of the Brain and Skull Base. Neuroimaging Clin N Am. 2011; Aug 31;21(3):545-62
- Pearl MS, Gregg L, Gandhi D. Cerebral venous development in relation to developmental venous anomalies and vein of Galen aneurysmal malformations. Seminars in USG, CT and MRI. 2011; June 30 32(3):252-263
- Kathuria S, Gregg L, Chen J, Gandhi D. Normal Cerebral Arterial Development and Variations. Seminars in USG, CT and MRI. 2011; June 30 32(3):242-251
- Radvany M, Gregg L. Endovascular Treatment of Cranial Arteriovenous Malformations and Dural Arteriovenous Fistulas. Neurosurg Clin N Am. 2012; Jan 31;23(1):123-31
Case Reports
- Gailloud P, Gregg L, Katz Z, Myseros JS, Pearl MS. Duplicated origin of a radiculomedullary artery supplying a perimedullary arteriovenous fistula: angiographic observation and developmental considerations. Anatomical Science International. 2014; June 1;89(3):191-4
- Pearl MS, Ahn E, Gregg L, Gailloud P. Collateral circulation through the vasocorona of the cervical spinal cord in a case of moyamoya syndrome. Journal of Pediatric Neuroradiology. 2014; Jan 1;3(1):49-51
- Xu R, Gregg L, Lo SF, Gailloud P. Report of a spinal extradural arteriovenous fistula with double radiculomedullary venous drainage: therapeutic implications and role of intraoperative spinal angiography. Journal of Neurosurgery: Spine5 (2021): 799-803.
Book Chapters
- Gregg L, Hines T (Editors), Chapter 6: Copyright Protection. Berger A, Branigan A, Duran M, Gregg L, Haderer Muller J, Haines D, Hines T, McDermott T, Turner C, Weissbrod B, Westwood W (Contributors), Medical Illustration Business Practices, 2nd Edition, Association of Medical Illustrators, 2017 July 13, 1-63.
- Gregg L, Gailloud P. Chapter Neurovascular Anatomy: Spine. Hetts and Cooke: Interventional Neuroradiology. Elsevier, 2021; 176: 33-47
Editorials
- Gregg L, The Boerhaave Museum, Leiden, The Netherlands. Association of Medical Illustrators Quarterly Newsletter, 2009; Winter 50;1:1-4
- Gregg L, Stories Without Words: Conveying Medicine with Illustration. Journal of Radiology Nursing, 2011; Sept 1;30(3):103
- de Kok-Mercado F, Habib M., Phelps T, Gregg L, and Gailloud P. Adaptations of the owl’s cervical & cephalic arteries in relation to extreme neck rotation. Science, 2013; 339(6119), pp.514-514.
- Gregg L, Comics and Medicine: From Private Lives to Public Health, Hopkins Medical Magazine, Fall/Winter, 2014:24-25
Presentations
Lydia Gregg is frequently invited to present on the following topics. Please contact us for more information: [email protected]
- Neurovascular Anatomy
- Neuroanatomy for the Medical Illustrator
- Visual storytelling techniques in Medical Illustration
- Communicating Medicine with Comics: Case Study and Strategies
- Radiological Segmentation Techniques
- The Early History of Professional Medical Illustration
Recognition
JHMI/Regional
- 2002, Arthur C. Tagge Award, University of Michigan School of Art and Design
- 2005, Emil Weddige Scholarship, University of Michigan School of Art and Design
- 2005, William P. Didusch Scholarship, Dept. of Art as Applied to Medicine, Johns Hopkins University (JHU), academic scholarship
- 2006, Frank H. Netter MD Memorial Scholarship in Medical Art, JHU
- 2010, Award of Excellence, Head and Neck Arterial Anatomy of the Pig, Medical category, Illustrators Club (IC) of Washington DC, Maryland, 15th Juried Exhibition
- 2010, Silver Medal, Head and Neck Arterial Anatomy of the Pig, Medical category, IC of Washington DC, Maryland, Fifteenth Juried Exhibition
- 2011, National Arts Program Award, Combined Endovascular and Surgical Treatment of Arteriovenous Malformations. Professional Art, Second Place, JHU School of Medicine
- 2012, National Arts Program Award, Great Horned Owl, Third Place, JHU School of Medicine
- 2013, Silver Medal, 5% Dextrose Solution Push Technique, Medical category, IC of Washington DC, Maryland, Sixteenth Juried Exhibition
- 2013, Silver Medal, Combined Endovascular and Surgical Treatment of Arteriovenous Malformations. Medical category, IC of Washington DC, Maryland, Sixteenth Juried Exhibition
- 2013, Awards of Excellence (5), Medical category, IC of Washington DC, Maryland, Sixteenth Juried Exhibition
National
- 2007, Vesalius Scholar Award, Vesalius Trust, research grant
- 2007, Inez Demonet Scholarship, Vesalius Trust
- 2010, Outstanding Exhibit Award, Extradural Fluid Collection Biopsy, American Society of Spine Radiology Annual Symposium, Feb. 18-21, Las Vegas, NV
- 2011, Summa cum laude, Transluminal Balloon Angioplasty: Technical Strategies. Exhibit, American Society of Neuroradiology, Annual Meeting, Seattle, WA
- 2012, National Health Information Award, Silver, Pediatric Cerebral Angiography, Patient Education Booklet, The Health Information Resource Center
- 2012, National Health Information Award, Silver, Diagnostic Cerebral Angiography, Patient Education Video, The Health Information Resource Center
- 2016, Finalist, 2016 Cornelius G. Dyke Memorial Award, Evaluation of the Intraforaminal Location of Anterior Radiculomedullary Arteries Using Flat Panel Catheter Angiotomography.
International
- 2007, 3rd Place Presentation Award, Semipermeable Stent Graft for Cerebral Angiography, 6th Asian Oceanian Congress of Neuroradiology and Head & Neck Radiology
- 2007, Certificate of Merit, Placement of Pericardial Patch for Atrioventricular Septal Defect, Student Animation, Association of Medical Illustrators (AMI), Annual Salon, Bozeman, MT
- 2007, Certificate of Merit, Aneurysmal Thrombosis and Remodeling as Induced by a Semipermeable Stent Graft, Student Projection Media, AMI, Annual Salon, Bozeman, MT
- 2008, Certificate of Merit, Cerebral Angiography in Children, Professional Editorial, AMI, Annual Salon, Indianapolis, IN
- 2009, Certificate of Merit, Inferior Petrosal Sinus Sampling, Professional Color, AMI, Annual Salon, Richmond, VA
- 2010, Award of Excellence, Combined Endovascular and Surgical Treatment of Arteriovenous Malformations. Professional Editorial, AMI, Annual Salon, Portland, OR
- 2011, Certificate of Merit, My Diary for Intra-Arterial Retinoblastoma Treatment. Children’s Medical Book, AMI, Annual Salon, Baltimore, MD
- 2012, First Place, de Kok-Mercado F, Habib M, Phelps T, Gregg L, Gailloud P. Adaptations of the owl’s cervical & cephalic arteries in relation to extreme neck rotation. International Science and Engineering Visualization Challenge, Science Magazine and National Science Foundation
- 2012, Citation of Merit, Architecture of a Spinal DVA with an Associated Cavernoma Compared to Normal Spinal Cord Drainage. Graphics Media: Medical Illustration, BioCommunications Association (BCA) Annual Meeting, BioImages Exhibit, Bar Harbor, MA
- 2013, Fellow of the Association of Medical Illustrators (FAMI)
- 2013, Citations of Merit, Abnormal Dilation of Brainstem Vasocorona. Graphics Media: Medical Illustration, BCA Annual Meeting, BioImages Exhibit, Monterey, CA
- 2013, Citations of Merit, 5% Dextrose Solution Push Technique. Graphics Media: Medical Illustration, BCA Annual Meeting, BioImages Exhibit, Monterey, CA
- 2014, Certificate of Merit, Future Directions and Current Understanding of Moyamoya Disease. Editorial, AMI, Annual Salon, Rochester, Minnesota
- 2014, Award of Excellence, Future Directions and Current Understanding of Moyamoya Disease. Graphics Media: Medical Illustration, BCA Annual Meeting, BioImages Exhibit, Rochester, Minnesota
- 2015, Certificate of Merit, Causes of Ischemia and Stroke in the Lower Thoracic and Lumbar Spinal Cord. Professional Instructional, Non-Commercial, AMI, Salon, Cleveland Clinic, Cleveland, Ohio
- 2016, Award of Excellence, Causes of Ischemia and Stroke in the Lower Thoracic and Lumbar Spinal Cord. Graphics Media: Medical Illustration, BCA Annual Meeting, BioImages Exhibit, New Orleans, LA
- 2016, BCA Medical Education Award, Causes of Ischemia and Stroke in the Lower Thoracic and Lumbar Spinal Cord. BCA Meeting, BioImages Exhibit, New Orleans, LA
- 2016, Certificate of Merit, The Reno-Epidural Anastomosis of Lejars. Professional Instructional, Non-Commercial, AMI, Annual Salon, Cleveland Clinic, Atlanta, GA
- 2017, Award of Excellence, The Reno-Epidural Anastomosis of Lejars. Graphics Media: Medical Illustration, BCA Annual Meeting, BioImages Exhibit, Portland, OR
- 2017, BCA Medical Education Award, The Reno-Epidural Anastomosis of Lejars. BCA Annual Meeting, BioImages Exhibit, Portland, OR
- 2018, Finalist, Snyder S, Gregg L, Grayson W. Stem Cell Orchestra. Vizzies, International Science and Engineering Visualization Challenge, Animation, Popular Science Magazine and National Science Foundation
- 2018, Award of Excellence, Gross and cellular appearance of endometriosis. Graphics Media: Medical Illustration, BCA Annual Meeting, BioImages Exhibit, Savannah, GA
- 2018, BCA Medical Education Award, Gross and cellular appearance of endometriosis. BCA Annual Meeting, BioImages Exhibit, Savannah, GA
- 2018, Award of Excellence, Gross and cellular appearance of endometriosis. Professional Editorial, AMI, Annual Salon, Newton, MA
- 2019, Award of Excellence, Genesis of Ovarian Cancer from the Fallopian Tube. Graphics Media: Medical Illustration, BCA Annual Meeting, BioImages Exhibit, Asilomar, CA
- 2019, BCA Medical Education Award, Genesis of Ovarian Cancer from the Fallopian Tube. BCA Annual Meeting, BioImages Exhibit, Asilomar, CA
- 2019, Award of Excellence, Lyme Disease: Infection, Immune System Evasion & Progression. Professional Animation, AMI, Annual Salon, Milwaukee, WI
- 2020, Outstanding Service Award, AMI
- 2021, Certificate of Merit, Endometrial Carcinoma Types I and II & Progression of Inclusion Cysts to Serous Borderline Tumors and Low-Grade Serous Carcinoma. Professional Instructional, Non-Commercial, AMI, Annual Salon, 2021 Virtual Meeting
- 2021, Image of Merit, Early Placental Anatomy with Future Chorion Laeve and Implantation Site. Graphic Design Media, BCA, BioImages Exhibit
- 2021, BCA Premier Award, Perimedullary Arteriovenous Fistula Associated with a Paraspinal Arteriovenous Malformation in a Newborn. Medical Illustration, BCA, BioImages Exhibit
- 2022, BCA Premier Award, Trophoblastic and Chorionic lesions. Medical Illustration, BCA, BioImages Exhibit
- 2023, Image of Merit, Positron Emission Tomography (PET) and Theranostics. Graphic Design Media, BCA, BioImages Exhibit
- 2023, Image of Merit, Differentiation of Chiari malformation type 1 and spontaneous intracranial hypotension (SIH). Medical Illustration, BCA, BioImages Exhibit
- 2023, Judge’s Choice, Anterior spinal artery infarction due to compression of an anomalous right vertebral artery. Graphic Design Media and Medical Illustration, BCA, BioImages Exhibit
- 2023, BCA Medical Education Award, The Asthmatic Airway. Graphic Media Division
News
Congratulations to 2025 AMI Salon Awardees
Congratulations to Hopkins students, faculty and alumni were recognized for their outstanding work in the 2025 AMI Salon.
Faculty receive multiple awards from the Biocommunications Association BioImages 2025!
Congratulations to faculty members Jennifer Fairman and Lydia Gregg for receiving multiple honors in the Biocommunications Association’s 2025 Bioimages Exhibit…
Lydia Gregg Receives Premier Award from Biocommunications Association
Faculty member Lydia Gregg received the 2022 Premier award, the top award in the Medical Illustration category of the Biocommunications Association’s annual Bioimages Exhibit…