2026-08-24T16:00:04+00:00 2025-09-30 311119890 BARNES DENNIG & CO LTD 150 EAST 4TH ST CINCINNATI OH 45202 990 2024-10-01 310921099 MAYFIELD EDUCATION AND RESEARCH FOUNDATION MAYF 5132211100 3825 EDWARDS ROAD 300 CINCINNATI OH 452091149 WILLIAM D TOBLER MD CHAIRMAN 5132211100 2026-08-24 true true LYNN MEISER P01716995 5132418313 2026-08-24 2024 2025-03-06 01:10:19Z WILLIAM D TOBLER MD 3825 EDWARDS ROAD 300 CINCINNATI OH 452091149 1824779 false X MAYFIELDFOUNDATION.ORG X 1977 OH NEUROSCIENCE RESEARCH & EDUCATION. 15 14 0 15 0 1370926 1121881 560285 514705 147752 174219 -32974 13974 2045989 1824779 86500 212500 0 0 0 625008 0 0 62501 924344 682055 1010844 1519563 1035145 305216 9319272 11110243 0 404695 9319272 10705548 X NEUROSCIENCE RESEARCH & EDUCATION. false false 400868 245964 EDUCATION: MAYFIELD EDUCATION AND RESEARCH FOUNDATION HOSTS 2 LECTURESHIPS AND 1 CLINIC ANNUALLY. THE HERCH LECTURESHIP WAS ESTABLISHED IN 2023 IS A 2-DAY COURSE FOR RESIDENTS AND FELLOWS, THAT FOCUSES ON INNOVATIVE SPINE SURGERY TOOLS AND TECHNIQUES THAT WILL IMPROVE THE LIVES OF PATIENTS WITH SPINE DISORDERS. OVER THE 2-DAY COURSE, RESIDENTS AND FELLOWS ATTEND LECTURES AND HANDS ON LABS. THE KELLER LECTURESHIP WAS ESTABLISHED IN 2011 TO ENHANCE RESIDENT AND FELLOWSHIP PROGRAMS BY SUPPORTING AN INVITED LECTURER OF INTERNATIONAL STATURE IN THE FIELD OF SKULL BASE SURGERY AND SURGICAL ANATOMY. THE KELLER LECTURESHIP OFFERS THE OPPORTUNITY FOR MEDICAL STUDENTS, RESIDENTS, FELLOWS, AND FACULTY TO LEARN FIRSTHAND FROM RENOWNED NEUROSURGEONS. THE WINTER CLINICS FOR CRANIAL AND SPINAL SURGERY HAS BEEN HOSTED BY MAYFIELD EDUCATION AND RESEARCH FOUNDATION FOR MORE THAN 3 DECADES. THE CLINIC ALLOWS NEUROSURGERY PARTICIPANTS FROM 37 STATES AND FIVE COUNTRIES TO GATHER TO EXPERIENCE RESEARCH, NETWORKING, AND PROFESSIONAL DEVELOPMENT. 292328 124692 CLINICAL TRIALS: MAYFIELD EDUCATION AND RESEARCH FOUNDATION PROVIDES DEDICATED STAFF TO CONDUCT CLINICAL TRIALS, SUBMIT RESEARCH PROTOCOLS AND PROPOSALS, AID IN DATA COLLECTION, ASSIST WITH STATISTICAL ANALYSIS, AND SUPPORT FINAL JOURNAL PUBLICATION WITH MEDICAL WRITING, ILLUSTRATION, AND PRESENTATION SUPPORT THROUGH GLIA MEDIA. NETWORK OF COLLABORATIVE PARTNERS INCLUDE THE LINDNER RESEARCH CENTER AT THE CHRIST HOSPITAL, OHC AT THE JEWISH HOSPITAL, AND THE TRIHEALTH HATTON RESEARCH INSTITUTE. THERE WERE 15 CLINICAL TRIALS FOR THE PERIOD 10/1/24 TO 9/30/25, INCLUDING QUARTERLY TRIALS FOR GT MEDICAL TECHNOLOGIES, PERIODIC TRIALS FOR MEDTRONIC, ORTHO FIX, AND NEVRO. 189567 144049 LABS: MAYFIELD EDUCATION RESEARCH FOUNDATION PROVIDES A SPACE AND SUPPORT FOR SURGICAL TRAINING LABS FOR NEUROSCIENCE, ORTHOPEDICS, ENT, AND GENERAL SURGERY. SERVICES PROVIDED INCLUDE SKILLED STAFF TO ASSIST WITH PLANNING AND PROMOTION, ASSISTANCE WITH SPECIMEN PROCUREMENT, AND LOGISTICS STAFF FOR THE EVENT. THE 1,500 SQUARE FOOT LAB A 1,000 SQUARE FOOT CONFERENCE ROOM ARE LOCATED AT THE MAYFIELD SURGICAL INNOVATION CENTER IN CINCINNATI, OH. 14 LABS WERE HELD DURING THE PERIOD 10/1/24 TO 9/30/25 BY MOUNT ST. JOSEPH, INSPIRE, THE CHRIST HOSPITAL, COLOPLAST, SI BONE, ARTHREX, MEDTRONIC, PROVIDENCE MEDICAL AND ESSENTIAL ROBOTICS. 245772 212500 BRAIN TUMOR INSTITUTE: THE BRAIN TUMOR INSTITUTE WAS CREATED IN 2024 TO ENHANCE THE ACCESS TO CLINICAL TRIALS FOR PATIENTS WITH BRAIN TUMORS AND RECRUIT SPECIALISTS WHO CAN IMPROVE CARE FOR PATIENTS AT MULTIPLE HOSPITAL SERVICES. THE BTI PROVIDES A FULL SPECTRUM OF CARE TO PATIENTS WITH BRAIN TUMORS AND PROMOTES RESEARCH THAT WILL ENHANCE CARE FOR GENERATIONS TO COME. THE VISION OF THE BTI IS TO MAKE GREATER CINCINNATI A NATIONAL DESTINATION FOR ELITE BRAIN TUMOR CARE. 245772 212500 1128535 true true false false false false false false false true true false false false false false false false false false false false false false false false false true false true false false false false false false false false false false true false false false false false false false false false true 11 0 true 0 false false false false false true true false false false false false false X 15 14 true true false false false true false true true false false false false true false true true true false false false false OH X MICHAEL J RADOMSKI 5135695210 3825 EDWARDS RD STE 300 CINCINNATI OH 45209 X MICHAEL J RADOMSKI TREASURER 3.0 X X 0 0 0 ROBERT RICH ESQ SECRETARY 1.0 X X 0 0 0 WILLIAM D TOBLER MD CHAIRMAN 4.0 X X 65275 0 0 AMY MURRAY TRUSTEE 0.3 X 0 0 0 ANDREW J RINGER MD TRUSTEE 1.0 X 0 0 0 BRADBURY A SKIDMORE MD TRUSTEE 1.0 X 0 0 0 BRIAN GWYN TRUSTEE - START 02/25 AND EXIT 08/25 0.3 X 0 0 0 BRYAN KRUEGER MD TRUSTEE 1.0 X 0 0 0 JAMES HORN MD TRUSTEE 1.0 X 0 0 0 JAMES J MCGRAW JR ESQ TRUSTEE 1.0 X 0 0 0 JEFFREY T KELLER PHD TRUSTEE 1.0 X 0 0 0 KEVIN SCHULER TRUSTEE - START 02/25 1.0 X 0 0 0 LAURA GUGGENHEIM TRUSTEE 1.0 X 0 0 0 LAUREN R OSTLING MD TRUSTEE 1.0 X 0 0 0 MARLA SANTOS SILLIMAN TRUSTEE 1.0 X 0 0 0 MICHAEL STENGER TRUSTEE 1.0 X 0 0 0 VALERIE NEWELL CPA TRUSTEE 1.0 X 0 0 0 VICTOR DIPILLA TRUSTEE - EXIT 07/25 1.0 X 0 0 0 VINCENT DINAPOLI MD PHD TRUSTEE 1.0 X 0 0 0 DEBORAH LIVINGSTON DEVELOPMENT DIRECTOR 40.0 X 127883 0 30835 SONIA LIPP DIRECTOR OF RESEARCH 40.0 X 145337 0 35056 338495 0 65891 2 false true false 0 1121881 506891 1121881 EDUCATION 611430 245964 245964 LABS 611430 144049 144049 CLINICAL TRIALS 611430 124692 124692 0 0 0 0 514705 174219 174219 13974 0 0 0 13974 0 13974 13974 0 0 0 0 0 0 0 1824779 514705 0 188193 212500 212500 0 0 65276 26110 6528 32638 559732 411395 118474 29863 14809 14809 2873 2873 35625 32500 3125 0 6595 5420 1175 90533 87119 3414 21009 4239 16770 133044 109348 23696 17877 17877 140390 119297 21093 52000 52000 PURCHASED SERVICES 103690 99030 4660 BANK SERVICE FEES 45521 45521 DUES AND SUBSCRIPTION 9109 200 8909 OTHER EXPENSES 8980 3500 5480 0 0 0 0 1519563 1128535 328527 62501 158067 65155 300000 4795 0 233353 0 0 0 0 0 877 951613 859747 246016 91866 8615189 10714197 0 0 0 0 9319272 11110243 0 394902 0 9793 0 0 0 0 0 404695 X 9319272 10705548 9319272 10705548 9319272 11110243 X 305216 1215650 -134590 X X false false false X 425370 438619 456685 1385701 1121881 3828256 0 0 425370 438619 456685 1385701 1121881 3828256 2832336 995920 225364 173232 151541 197467 188193 935797 0 0 0 0 0 0 0 4764053 2178444 0.20905 0.55322 X RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED 295250 45890 21919 319221 0 250000 45250 295250 0 0 0 0 0 0 0.0 1.0 0.0 false false 347179 313663 33516 569394 514426 54968 35040 31658 3382 91866 0 0 0 0 0 0 0 0 0 0 0 0 SCHEDULE D, PART V, LINE 4 INTENDED USES OF ENDOWMENT FUNDS THE ENDOWMENT FUND IS DESIGNATED FOR SUPPORT OF THE ANNUAL HERCHE LECTURE. THE LECTURE IS INTENDED TO PROVIDE BOTH CLASSROOM INSTRUCTION AND HANDS-ON CADAVER LAB TRAINING TO RESIDENT, FELLOWS, ATTENDING PHYSICIANS, AND OTHER NEUROSCIENCE PROFESSIONALS SPECIALIZING IN SPINE SURGERY. true UNC HEALTH FOUNDATION 123 W FRANKLIN ST SUITE 510 CHAPEL HILL NC 27516 566057494 501C3 202500 BRAIN TUMOR RESEARCH COX HEALTH FOUNDATION 3525 SOUTH NATIONAL MEDICAL BLDG SPRINGFIELD MO 65807 436810485 501C3 10000 NEUROSURGERY CLINIC 2 0 SCHEDULE I, PART I, LINE 2 PROCEDURES FOR MONITORING USE OF GRANT FUNDS THE ORGANIZATION MAINTAINS RECORDS TO SUBSTANTIATE THE AMOUNT OF THE GRANTS. X false false false false false false false false false DEBORAH LIVINGSTON DEVELOPMENT DIRECTOR 112991 0 7653 0 7239 0 0 0 30835 0 158718 0 0 0 SONIA LIPP DIRECTOR OF RESEARCH 118453 0 18657 0 8227 0 0 0 35056 0 180393 0 0 0 1 506891 SELLING COST 0 false false false FORM 990, PART III, LINE 4D DESCRIPTION OF OTHER PROGRAM SERVICES (EXPENSES $ 245,772 INCLUDING GRANTS OF $ 212,500) BRAIN TUMOR INSTITUTE: THE BRAIN TUMOR INSTITUTE WAS CREATED IN 2024 TO ENHANCE THE ACCESS TO CLINICAL TRIALS FOR PATIENTS WITH BRAIN TUMORS AND RECRUIT SPECIALISTS WHO CAN IMPROVE CARE FOR PATIENTS AT MULTIPLE HOSPITAL SERVICES. THE BTI PROVIDES A FULL SPECTRUM OF CARE TO PATIENTS WITH BRAIN TUMORS AND PROMOTES RESEARCH THAT WILL ENHANCE CARE FOR GENERATIONS TO COME. THE VISION OF THE BTI IS TO MAKE GREATER CINCINNATI A NATIONAL DESTINATION FOR ELITE BRAIN TUMOR CARE. FORM 990, PART VI, LINE 2 FAMILY/BUSINESS RELATIONSHIPS AMONGST INTERESTED PERSONS VINCENT DINAPOLI, M.D., BRYAN KRUEGER, M.D., ANDREW J RINGER, M.D., AND BRADBURY SKIDMORE, M.D. - BUSINESS RELATIONSHIP FORM 990, PART VI, LINE 3 DELEGATION OF MANAGEMENT DUTIES MAYFIELD CLINIC INC. PERFORMS ADMINISTRATION, FINANCIAL AND IT SERVICES FOR MERF. INDIVIDUALS WHO WORK FOR MERF ARE PAID AND REPORTED ON MAYFIELD CLINIC, INC W-2S. HOWEVER, THEIR COSTS AND BENEFITS ARE REIMBURSED BY MERF TO MAYFIELD CLINIC, INC. FORM 990, PART VI, LINE 7A MEMBERS OR STOCKHOLDERS ELECTING MEMBERS OF GOVERNING BODY MAYFIELD CLINIC APPOINTS A MINIMUM OF 4 MEMBERS. FORM 990, PART VI, LINE 11B REVIEW OF FORM 990 BY GOVERNING BODY FORM 990 IS PREPARED BY THE ASSOCIATION'S TAX ACCOUNTANTS WITH INFORMATION PROVIDED BY THE TREASURER AND STAFF. THE COMPLETED DRAFT IS REVIEWED BY THE TREASURER PRIOR TO FILING. FORM 990, PART VI, LINE 12C CONFLICT OF INTEREST POLICY THE CONFLICT OF INTEREST POLICY IS CARRIED OUT BY EACH TRUSTEE OR BOARD MEMBER SIGNING A CONFLICTS OF INTEREST DISCLOSURE FORM PERIODICALLY, WITH THE FORMS MAINTAINED AND THE BOARD ALERTED TO ANY POTENTIAL CONFLICTS. FORM 990, PART VI, LINE 19 REQUIRED DOCUMENTS AVAILABLE TO THE PUBLIC PUBLIC INSPECTION COPY AVAILABLE UPON REQUEST. FORM 990, PART XI, LINE 9 OTHER CHANGES IN NET ASSETS OR FUND BALANCES CHANGE IN ACCOUNTING METHOD-CASH TO ACCRUAL ADJUSTMENT - -134590; TOTAL - -134590; FORM 990, PART XII, LINE 1 CHANGE OF ACCOUNTING METHOD OR OTHER TYPE OF ACOUNTING METHOD CHANGE IN ACCOUNTING METHOD FROM CASH TO ACCRUAL.