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Prepared: July 16, 20202008Ankara, Turkey “Current management of malignantgliomas: techniques for modern day glioma surgery,radiation, and chemotherapy”2009Egyptian Society of Neurological Surgeons [ESNS] 34thInvited SpeakerAnnual Meeting of Egyptian Society of NeurologicalSurgeons (ESNS) “Pre-operative Factors AffectingResectability of Giant Intracranial Meningiomas” “Modifiedfar lateral craniotomy for large posterior fossa tumors” “Anew prognostic scoring system for hemispheric low-gradegliomas”2010Neuro-Oncology Symposium, Pachuca, Mexico “ImageSymposium Guestguided surgery and functional brain mapping in gliomaSpeakersurgery” “Using advanced imaging techniques for tumoridentification, diagnosis, mapping, and treatment effects”“Radiosurgery vs. Radiotherapy in the treatment ofmeningiomas” “Radiosurgery results for the treatment ofbrain metastases” “Radiotherapy and Radiosurgery forbenign meningioma and recurrent malignant meningiomas”2010Mexican Society of Neurological Surgery/Neuro-oncologyTuberculum sellae meningioma surgical approaches andmodern day results20103rd International Congress of Minimally InvasiveGuest SpeakerNeurosurgery Guadalajara, Mexico “Treating giant AMV’sby radiosurgery in different times, the UCSF experience”“Gamma Knife radiosurgery for sellar tumors” “Isradiosurgery for meningioma the best?” “A newradiosurgery protocol for recurring glioma, historicbackground facts and preliminary results”“Neuroendoscopy vs. microsurgery to treat colloidal cyst ofthe third ventricle”201015th International Meeting of the Leksell Gamma KnifeInvited SpeakerSociety Athens, Greece “Factors Influencing Freedom fromProgression of Meningiomas Treated with Gamma KnifeSurgery” “Volume Stage of Radiosurgery for large AVMs”2010XXVIII Brazilian Congress of Neurosurgery and VIIInternational Congress on Meningiomas and CerebralVenous System Salvador City, Brazil “Malignant GliomasGuidelines: Implications for Modern Day Practice”Radiosurgery as a Primary Treatment “MeningiomasInvolving the Torcula - How to deal with it” “ResidualTumor - How can we protect the brain stem from radiationeffects?”8 of 83Guest SpeakerInvited SpeakerInvited Speaker

Prepared: July 16, 20202010Outreach, Philippines/Hong Kong Makati Medical Center, Invited SpeakerPhilippines “Multi-disciplinary management of complex andmalignant meningiomas” Update on Gliomas2010Surgical Approaches to the brainstem Queen MaryHospital, Hong Kong “Multi-disciplinary management ofcomplex and malignant meningiomas”2011Neurosciences Grand Rounds The University of BritishGrand RoundsColumbia, Vancouver, Canada “The Role of Radiosurgery Guest Lecturerin the Management of Benign and Malignant BrainTumors”201134th Annual B.C. Neuroscience Academic Day PD Moyes Guest LecturerLectureship The University of British Columbia, Vancouver,Canada “Meningiomas: Results from a Single InstitutionExperience 1992-2010”201110th Biennial Congress and Exhibition of the InternationalStereotactic Radiosurgery Society (ISRS), Paris, France2011Course in Microscopic and Endoscopic Approaches to the Guest FacultySkull Base Taiwan “Surgery in and around the cavernoussinus” “Surgical strategy for petroclival meningiomas”“Endoscopic approach to the skull base: UCSFexperience”2011EANS 2011 14th European Congress of Neurosurgery,Rome, Italy AANS/CNS/EANS Sections on Tumors: “NewInitiatives for Cooperation in Education and ClinicalResearch”201216th Annual Leksell Gamma Knife Society MeetingInvited SpeakerSydney, Australia “Emerging techniques and strategies inthe radiosurgical treatment of primary malignant gliomas –a comprehensive review2012AANS Kuwait Visiting Scholar’s Program KuwaitGuest Faculty20125th Annual Microscopic and Endoscopic Approaches forthe Skull Base course “Meningioma case presentation—Sphenoid Wing” TaiwanGuest Faculty2012Cambridge Lectures in Neurosurgical Anatomy “Posteriorpetrous face meningiomas” “Petroclival meningiomas”Guest Lecturer2013ISRS Annual Meeting, Toronto, CanadaInvited Speaker2013WFNS World Congress of Neurosurgery, Seoul, Korea,“Review of Recent Publications for UCSF MeningiomaSurgical Experience."Invited Speaker2013EANS 2013 Annual Meeting, Tel Aviv, Israel "Management Invited Speakerof Aggressive Recurrent Meningiomas"9 of 83Invited SpeakerInvited SpeakerInvited Speaker

Prepared: July 16, 20202014EANS 2014 Annual Meeting, Prague; "Surgical Resectionand Interstitial 125I Brachytherapy for Recurrent HighGrade Meningiomas: A 25-year series"Invited Speaker2014EANS 2014 Annual Meeting, Prague; "Volume-StagedRadiosurgery for Large, Grade 3-4-5 AVMs"Invited Speaker2014Radiosurgery Practical Course, Marseille, France; "Review Invited Speakerof Radiosurgery for AVMs"2014Radiosurgery Practical Course, Marseille, France;"Radiobiology of Radiosurgery & Clinical Applications."Invited Speaker2014Radiosurgery Practical Course, Marseille, France;"Radiosurgery for Meningiomas: An Overview"Invited Speaker2015WFNS World Congress of Neurosurgery, Rome, Italy,"Surgery and Radiosurgery for Skull Base Meningiomas"Invited Speaker2015WFNS World Congress of Neurosurgery, Rome, Italy,"Surgery and Brachytherapy for Recurrent Meningiomas"Invited Speaker2016World Skull Base 2016, Osaka, Japan, "Anterior ClinoidalMeningiomas: Clinicoradiological Features and SurgicalOutcome"Guest Speaker2016World Skull Base 2016, Osaka, Japan, "Classification ofGuest SpeakerTuberculum Sellae Meningiomas and Outcomes Based onScoring and Surgical Approach"2018Leksell Gamma Knife Society Meeting, Dubai, UAE. "Long Guest SpeakerTerm Follow-up on Volume Staged SRS for AVMs"2018Leksell Gamma Knife Society Meeting, Dubai, UAE.Guest Speaker"Impact of pre-treatment tumor growth on tumor control forvestibular Schwannomas following Gamma Kniferadiosurgery: A Retrospective volumetric study"2018Leksell Gamma Knife Society Meeting, Dubai, UAE, "Long Guest SpeakerTerm Follow-up on Volume-staged SRS for AVMs"2019AANS Meeting, Rome, Italy “Dominant HemisphereTemporal Lobe Surgery form Glioma: Is Asleep SurgerySafe?”Guest Speaker2019SINcH Neurosurgical Society, Serbia, Belgrade,“Hyperostosing Sphenoid Wing Meningioma: Focus onOrbital /Ocular Outcomes”Guest Speaker2020International Radiosurgery Research Foundation (ZOOM)“Meningiomas: Clinical Research Design- What are theKey Questions to Address?”Invited Speaker10 of 83

Prepared: July 16, 2020INVITED PRESENTATIONS - NATIONAL2000AANS Meeting “Radiosurgery for malignant meningiomasresults in 22 patients”2001AANS Seminar 309 Management of the difficultInvited Panelmeningioma; radiotherapy options “Radiosurgery for Cystic MemberHemangioblastoma: Effect on Adjoining Cyst”2001International Stereotactic Radiosurgery Society Meeting“Complications of radiosurgery for cavernous sinusmeningiomas”2001Society of Neuro-oncology Meeting “Characterization ofInvited Speakerhuman glioma through correlations of pathology, magneticresonance spectroscopy and comparative genomichybridization. New Technologies in the OR;” “FramelessStereotaxy: Indications and Utility”2002AANS Meeting “Gamma Knife Radiosurgery for Recurrent Invited SpeakerHigh Grade Gliomas”2002CNS Luncheon SeminarInvited Speaker2002Brain Metastases Society of Neuro-oncology MeetingSurgical advances ion nervous system tumors: currentliterature on the role of surgery for low and high gradegliomas and intraoperative techniquesInvited Speaker2002Otolaryngology Grand Rounds, Utah Update on theResults of Gamma Knife Radiosurgery for AcousticNeuromaGuest GrandRounds Lecturer2003AANS Practical Course #014 Radiosurgery: The Art &Science of Dose Planning “Radiosurgery for MalignantTumors”Invited Speaker,Panel Member2003AANS Practical Course “Malignant Gliomas” Update onInvited Speakertumors for the general neurosurgeon; radiotherapy options2003AANS Breakfast Seminar #412 “The Spectrum of Adjuvant Invited SpeakerTherapy for Brain Tumors: Brachytherapy & Radiosurgery”2003ABNS (American Board of Neurological Surgery) Houston, Guest FacultyTX Preparation course Plenary session: Update ongliomas2003Society for Neuro-oncology meeting “Meningiomas:Surgical treatment”Invited Speaker2004AANS Breakfast Seminar #222 The Spectrum of AdjuvantTherapy for Brain Tumors: Brachytherapy & RadiosurgeryInvited Speaker2004Lovelace Clinic, Albuquerque, NM Radiosurgeryconference “Radiosurgery for AVMs”Invited Speaker11 of 83Invited SpeakerInvited Speaker

Prepared: July 16, 20202004Lovelace Clinic Albuquerque, NM Radiosurgery Update“Radiosurgery for intracranial meningiomas: The UCSFexperience” “Radiosurgery for trigeminal neuralgia2004Congress of Neurological Surgeons “Update on tumors for Invited Speakerthe general neurosurgeon: Convex defalks andparasagittal meningiomas treatment options and results”2005UCB PHARMA Carmel, CA “Neurosurgery at UCSF andperi-operative seizures in neurosurgical patients”2005AANS annual meeting Update on tumors for the generalInvited Speakerneurosurgeon; radiotherapy options “Radiosurgery: The artand science of dose planning” “The role of radiosurgery formalignant glioma treatment planning with MRS”2005Breakfast Seminar 320 “Techniques for modern day glioma Invited Speakersurgery and results of the glioma outcome projectpublications”2005Moffitt Cancer Center, Tampa, FL Overview ofradiosurgery; Program at UCSFInvited Speaker200591st Clinical Congress American College of Surgeons“Surgical management and radiation options for brainmetastases” Radiation Therapy Techniques for BrainMetastasesInvited Speaker2005American Society of Ophthalmic Plastic andInvited SpeakerReconstructive Surgery Meningiomas of the orbital region;treatment options and outcome2006American Pharmacy Association Gamma KnifeRadiosurgery: History, Technique, indications, results200674th Annual Meeting of the American Association ofInvited SpeakerNeurological Surgeons (AANS), 026 Update on tumors forthe general neurosurgeon; radiotherapy options, participated as faculty, 103 Suprasellar Tumors- panelist,120 Spectrum of Adjuvant Therapy for Brain Tumorspanelist, Scientific Session I-Tumor- GS moderator, 220Contemporary Surgical Approaches and Complications tothe Lateral Skull Base- panelist, AANS/CNS Section onTumors I- GS Moderator, 404 Tumor Neurosurgery: Meetthe Experts- Panelist200616th Biennial International Brain Tumor Research andTherapy MeetingInvited Speaker2006UCLA Neurosurgery Grand Rounds “Surgical approachesfor anterior cranial based meningiomas affecting vision”Grand RoundsGuest Speaker12 of 83Invited SpeakerGuest GrandRounds SpeakerInvited Speaker

Prepared: July 16, 20202006UCLA Neuroscience Grand Rounds “Meningiomas: bench Grand Roundsto bedside”Guest Speaker2006Leksell Society Meeting “Radiosurgery for other benignneuro-epithelial tumors”Invited Speaker2006UC San Diego, Department of Neurosurgery GrandRounds “Radiosurgery and the treatment of brain tumors”Grand RoundsGuest Speaker200638th Annual Meeting of the Western NeuroRadiologicalInvited SpeakerSociety, Advances in brain tumor therapy, Radiosurgery forbrain lesions2006Congress of Neurological Surgeons Meeting Seminar T 24 Invited Speakertitle “Management of low grade gliomas; current strategiesand dilemmas”2006Congress of Neurological Surgeons “Falcotentorialmeningiomas; surgical results using a combined superintratentorial torcular craniotomy”2007AANS Washington D.C. “Suboccipital far lateralInvited Speakercraniotomy: complication avoidance", "Role of radiosurgeryfor gliomas and review of GO project publications",“Techniques for modern day glioma surgery and review ofGO project publications", "Update on tumors for thegeneral neurosurgeon; radiotherapy options", “Suprasellartumors: bifrontal extended frontal approach”, “Open vs.endoscopic surgical strategies in approaches to theanterior skull base”, “Suboccipital far-lateral craniotomycomplication avoidance”2007Johns Hopkins University, Baltimore, MD Department ofGrand RoundsNeurosurgery Grand Rounds “Current role of radiosurgery Guest Lecturerin neurosurgical practice: training, clinical results, programvalue”2007Brigham and Women’s Neuro-oncology Conference,Boston, MA “A new preoperative grading system forhemispheric low grade gliomas”Invited Speaker2007The 2007 International Conference on Glioma Researchand Therapy Scientific Program, Glioma Classification,Boston, MA “New Grading Scale for Low Grade Gliomas”Invited Speaker2007Congress of Neurological Surgeons Annual MeetingCurrent management of meningiomas; benign andmalignantInvited Speaker2007Congress of Neurological Surgeons Meeting Radiosurgery Invited SpeakerPractical Course Perfexion Gamma Knife Radiosurgerysystem13 of 83Invited Speaker

Prepared: July 16, 20202008California Association of Neurological Surgeons AnnualMeeting Anaheim, CAInvited Speaker2008Neurological Institute of New York Columbia University,New York, NY “Surgical Experience with intracranialmeningiomas”Invited Speaker2008Allegheny General Hospital, Pittsburgh, PA “Meningiomas Invited Speakerof the orbital region; treatment options and outcome”2008AANS Annual Meeting, Chicago, IL Update on tumors forthe general neurosurgeon; radiotherapy options2008AANS Annual Meeting “Juxtasellar and suprasellar tumors Invited Speakerof: extended bifrontal approach for meningiomas”2008Leksell Society Meeting “Radiosurgery facilitates brainAVM resection and reduces surgical morbidity” SpecialTopic Review: Malignant glioma radiosurgeryInvited Speaker2008Columbia University, New York Department ofNeurosurgery Surgical experience with intracranialmeningiomasInvited Speaker2008Neurosurgery Grand Rounds NYU Columbia Departmentof Neurosurgery Surgical Experience with IntracranialMeningiomasGuest GrandRounds Lecturer2008Western Neurosurgical Society Anchorage, AK CNSTumor Symposium – Intracranial meningiomasInvited Speaker20088th Bi-Annual Meningiomas in the cerebral venous system Invited SpeakerBoston, MA Meningioma progression Meningioma;decision making in the USA Middle fossa meningiomas2008Congress of Neurological Surgeons Meeting, Orlando, FLTumor IML: The role of radiation therapy in themanagement of low-grade gliomas Seminar W 49 Currentmanagement of meningiomas benign and malignantInvited Speaker,Panel Member2008CNS Radiosurgery Practical CourseGuest Faculty2008Third Annual Northwestern Radiosurgery SymposiumChicago, IL “Current role of radiosurgery in treatment ofbrain metastases”Invited Speaker2009AANS Annual Meeting San Diego, CA “Suprasellar tumors: Invited Speakertuberculum meningiomas”2009World Federation of Neurological Surgeons (WFNS),Boston, MA 201 Breakfast session: High grade gliomas:management options 308 Predicting growth rate in skullbase tumors: dream or reality14 of 83Invited SpeakerInvited Speaker,Panel Member

Prepared: July 16, 20202009Neuro-Oncology Update Course, University of OhioColumbus, OH “Skull base tumors: meningiomas”20092009 Joint Meeting of the Society for Neuro-Oncology and Invited Speakerthe ANS/CNS section on tumors, New Orleans, Louisiana“The role of radiosurgery and brachytherapy on forrecurrent malignant meningiomas”2009ROSE- Radiosurgery of Open Surgery for EpilepsyInvited SpeakerInvestigators’ meeting New Orleans, Louisiana A phase 3controlled trial for the surgical treatment of mesial temporallobe epilepsy2009AANS Annual meeting Palm Beach, Florida “TuberculumSellae Meningiomas: Surgical Approaches & modern dayresults”2009Brigham Women’s Brain Tumor Update Course Boston,Invited SpeakerMA Outcomes from brain tumor surgery- unpublished datafor meningiomas Meningioma Biology201078th AANS Annual Meeting, Philadelphia, PA“Controversies in the treatment of craniopharyngioma”:Seminar moderator and speaker Update on brain tumorscourse- Meningiomas of the skull baseSeminar Moderatorand Speaker2010Fourth Annual Microscopic / Endoscopic Skull BaseSurgery Course Allegheny General Hospital, Pittsburgh,PN Meningiomas Case PresentationGuest Presenter2010The Queen’s Medical Center Neuroradiology Conference Invited SpeakerThe Queen’s Conference Center, Hawaii “Radiosurgery vs.Whole Brain Irradiation for Brain Metastases: CurrentStatus”2011Neuro-Oncology Symposium, The University of TexasHealth Science Center at Houston, Houston, TX KeynoteLecture: “Surgical Aspects of Neuro-Oncology”Keynote Lecturer20112011 Annual Meeting of the Neurosurgical Society ofAmerica, Kona, Hawaii “Surgical Results for ClinoidMeningiomas”Invited Speaker20112011 AANS Annual Scientific Meeting, Denver, COInvited Speaker2011AANS webinar on Operative Grand Rounds Discussant in"Difficult-to-Resect Parafalcine Meningiomas: Pearls andPitfallsGrand RoundsGuest Speaker2011Society of Neurological Surgeons 102nd Meeting OregonHealth & Science University, Portland, OregonInvited Speaker2011IMRIS Neurosurgery Users Meeting, St. Louis, MOInvited Speaker15 of 83Invited SpeakerInvited Speaker

Prepared: July 16, 202020112011 Western Neurosurgical Society Meeting, Kauai,Hawaii “Results of Lumbar-Peritoneal Shunts for theTreatment of Normal Pressure Hydrocephalus”2011Congress of Neurological Surgeons 2011 Annual Meeting, Invited Speaker,Washington, D.C. Low Grade Glioma “Neuro-OncologyPanel Memberand Radiosurgery: Current Indications and Controversies”2011The 16th Annual Scientific Meeting of the Society forNeuro-Oncology In Collaboration with the AANS/CNSSection on Tumors Orange County, CAInvited Speaker201212th Annual International Meeting on Simulation inHealthcare (IMSH) San Diego, CAInvited Speaker20122012 AANS Annual Scientific Meeting, Miami, FLInvited Speaker2012The Society of Neurological Surgeons Annual MeetingEmory University, Atlanta, GAInvited Speaker20122012 NSA Meeting, Park City, Utah “Emerging Techniques Invited Speakerand Treatment Strategies for Radiosurgery of RecurrentMalignant Gliomas”2012SNS Boot Camp Fundamental Skills Course OregonHealth and Science University, Portland, OR2012CME lecture-University Medical Center Brackenridge,Guest LecturerAustin, TX “Update on Treatment of Brain Metastases: roleof radiosurgery” “Volume Staged Radiosurgery for LargeAVMs”2012Microscopic and Endoscopic Approaches to the Skull Base Invited SpeakerCourse “Surgery in and around the Cavernous Sinus”“Surgical Strategy for petroclival meningiomas” Pittsburgh,PA20122012 CNS Annual Meeting Chicago, ILInvited Speaker2012American Academy of Neurosurgical Surgery AnnualMeeting “Volume-Staged Gamma Knife Radiosurgery forLarge Arteriovenous Malformations” Cape Cod, MAInvited Speaker20128th International Congress on Meningiomas “Future ofMeningioma Treatment as it relates to chemotherapy”“Surgery vs. Radiotherapy and Radiology for CavernousSinus Meningiomas” “How Morbid is Cavernous SinusSurgery?” “Natural History of Atypical and MalignantMeningiomas” “Natural History of Meningiomas” LittleRock, ARInvited Speaker20122012 SNO Annual Meeting Washington, D.C.Invited Speaker2013AANS Annual Meeting, New Orleans, LAInvited Speaker16 of 83Invited SpeakerGuest Faculty/Instructor

Prepared: July 16, 20202013SNS Annual Meeting, Boston, MAGuest Faculty2013WNS 2013 Annual Meeting, Half Moon Bay, CAInvited Speaker2013American Academy of Neurol

03/1988 American Board of Neurological Surgery, Part 1 1988 Royal College of Surgeons of Canada, Written and Oral Examinations in Neurosurgery, passed and board certified, 05/2003 American Board of Neurological Surgery, Oral Boards #23078 04/2020 Medical Licensure State of Flor