Dr. Walenga holds a full-time faculty position as Professor of Thoracic & Cardiovascular Surgery and Pathology & Laboratory Medicine at the Loyola University Medical Center in Maywood, Illinois, specializing in thrombosis and anticoagulant research. She directs the Core and Specials Clinical Coagulation Laboratories, and is very involved in teaching medical students, residents, and graduate students. She received her BS degree from the University of Illinois (Champaign and Chicago) in medical laboratory sciences and her PhD in pharmacology from Université Pierre et Marie Curie (Paris VI) in Paris, France. She maintains her medical technology certification through the American Society for Clinical Pathology (ASCP). Her research has resulted in over 100 first author publications including original research, textbook chapters, and invited papers, as well as over 300 co-authored publications and textbook editorship. She has been invited to serve on several consensus guideline committees and has served on the Heparin Advisory Panel of the Expert Committee on Blood and Blood Products of the United States Pharmacopeia.

José Biller, MD, FACP, FAAN, FANA, FAHA is Professor of Neurology and
Neurological Surgery and Chairperson of the Department of Neurology at Loyola
University Chicago Stritch School of Medicine. Dr. Biller is American Board of
Psychiatry and Neurology (ABPN) certified (and recertified, including Combined
Maintenance of Certification) in Neurology and Vascular Neurology, and certified in
Headache Medicine (UCNS).
Dr. Biller served as Director of the ABPN from 1994 to 2001, and President of
the ABPN in 2001, and currently holds the title of Emeritus Director of the ABPN. He is
the Editor of the Journal of Stroke and Cerebrovascular Diseases, and an editorial board
member and reviewer for an array of other national and international journals and
publications. He has published more than 360 peer-reviewed articles, more than 150
book chapters, edited 32 books, and given more than 650 lectures around the world.
Dr. Biller's area of research interests include: stroke clinical trials; stroke in young
adults; transient ischemic attacks; carotid artery disease; heart and brain interactions; and
evidence-based medicine.
Dr. Biller earned his medical degree from the School of Medicine at the
University of the Republic in Montevideo, Uruguay, where he had post-graduate training
in Internal Medicine. He then completed Residency in Neurology at Loyola University
Chicago and a Cerebrovascular Research Fellowship at Wake Forest University,
Bowman Gray School of Medicine.

Dr. Graversen attended Universidad Catolica de Santiago de Guayaquil School of Medicine, where she graduated Summa Cum Laude. She was accepted into one of the most prestigious ophthalmology training programs in Latin America at the Universidad Nacional Autonoma de Mexico, Instituto de Oftalmologia Conde de Valenciana in Mexico City.  She then completed a two-year Retina and Vitreous surgical fellowship at the Association to Prevent Blindness in Mexico (APEC), Luis Sanchez Bulnes Hospital, under the preceptorship of Dr. Hugo Quiroz Mercado. The APEC program is recognized as one of the top training experiences for vitreo-retinal diseases in the world.

Dr. Graversen also did a fellowship at New England Retina Associates with Dr. Peter Liggett who is on the faculty of Yale School of Medicine and the Cornell Weill College of Medicine in New York. She completed a second ophthalmology residency program at the University of North Carolina at Chapel Hill, where she served as Chief Resident. She received the “Outstanding resident as teacher award” for two consecutive years. Dr. Graversen also received the “Honor Award” from the American Society of Retina Specialists (ASRS) for her research contributions.

She has published multiple articles in peer-reviewed journals, book chapters and has lectured at several international meetings. She is co-editor of the Diagnostic Atlas of Retinal Diseases. She is eligible to be board certified in Ophthalmology and is an active member of the American Academy of Ophthalmology, American Society of Retina Specialist (ASRS), and American Medical Association.

Dr. Graversen is fluent in English and Spanish. Her interests are uveitis, retinal detachment, epiretinal membranes, macular puckers, vitreous surgery, diabetic retinopathy, and macular degeneration.

Dr. Luis Idrovo currently works as a Substantive Consultant Neurologist with special interests in Stroke and Headache disorders in the Neuroscience Department at Leeds Teaching Hospitals NHS Trust since 2014. He completed my neurology specialty training at "La Paz" Teaching Hospitals and Universidad Autonoma of Madrid, Spain, in 2009 (CCT Neurology) where he developed a particular interest in cerebrovascular diseases. Dr. Idrovo obtained his postgraduate certification at the School of Medicine - Universidad Autonoma de Madrid. He was born and bred in Guayaquil Ecuador where his primary medical qualifications were obtained at the School of Medicine - Santiago de Guayaquil Catholic University (MD degree).

He is an active contributor to the education and training of hospital staff members as a Clinical and Educational Supervisor.

In terms of clinical research activities, He is currently involved with the Hyperacute Stroke Research Team and actively participating in the recruitment of stroke research projects such as Optimas, LACS 2, ATTEST 2, TWIST, etc.

As a University of Leeds Honorary Senior Lecturer, he is involved in undergraduate teaching for medical students years 2nd to 5th. Dr. Idrovo has published original contributions in different medical subspecialties from toxicology, neuro-epidemiology, cerebrovascular diseases to more recently, research about interventional treatments for chronic headache disorders.