Overview
The Adult Cardiothoracic Anesthesiology Fellowship program at Cleveland Clinic began in 1976 and today is the largest with 18 fellows per year. Consistently competitive candidates from residency programs across the U.S. apply, interview and match with our program. Cleveland Clinic is nationally and internationally renowned for its cardiovascular care.
- Fellows participate in a large variety of complex, high acuity cases.
- Faculty are dedicated to educating and mentoring the next generation of cardiothoracic anesthesiologists.
- Fellows at the end of fellowship demonstrate proficiency at perioperative management and echocardiography of cardiothoracic surgical patients along with developing their personal professional interest including leadership, research and educational and are prepared to enter the next phase.
Fellowship contact information:
Jennifer Hargrave, DO, FAOCA, FASA
Cardiothoracic Anesthesia Fellowship Program Director
Program Manager
Janelle Olszko, BA
Phone 216.780.0767
Fax 216.445.2536
Olszkoj@ccf.org
Two Program Interest
Adult Cardiothoracic and Critical Care Medicine Anesthesiology Fellowships
Two-year appointment/commitment
The American Council for Graduate Medical Education (ACGME) provides individual accreditation for the following anesthesiology specialty fellowship programs: Adult Cardiothoracic Anesthesiology (ACTA) and Anesthesiology Critical Care Medicine (CCM). ACTA and CCM remain individual and separate 12-month training programs. The individual program is responsible to provide the specific ACGME program requirements during the year of enrollment. Individuals interested in pursuing both programs at Cleveland Clinic can follow the following process:
- Applications
- Applicants pursuing sequential ACTA and CCM fellowships at Cleveland Clinic must submit applications through the SF Match to both ACTA and CCM programs and indicate an interest in both training programs.
- Dual interviews are not guaranteed.
- Match
- The Cleveland Clinic ACTA and CCM programs participate and remain in compliance with the rules and regulations of the SF Match.
- The SF Match allows for exceptions to be requested prior to match day for applicants committing to institutions for more than one year or internal candidates.
- Program Structure
- Two- one year appointments will begin on August 1 (July 1, if required by military service or a candidate on a J1-Visa).
- Applicants may request a specific sequence regarding fellowship program enrollment.
- The final decision will be made by the program directors with the intent to facilitate request(s).
- Completion
- Following completion, ACTA and CCM fellows will have met the ACGME program requirements for both fellowship programs and will be eligible for board certification.
FAQs
- Positions: 18 fellows
- Accreditation: American Council Graduate Medical Education
- Clinical Volume:
- 4,100 cardiac surgical cases including
- Lung and heart transplant program
- Advanced heart failure and mechanical device program
- Minimally invasive cardiac surgery
- Structural heart disease program
- 1,600 thoracic surgical cases
- 96 CVICU beds
- 4,100 cardiac surgical cases including
- Two week pathology specific clinical rotations to allow for focused learning
- The only Department of Cardiothoracic Anesthesiology in the U.S.
- Bi-weekly protected education sessions
- Departmental and multi-disciplinary didactics
- Workshops
- PBLD's
- Echo conferences
- Daily echocardiography formal discussion and review sessions
- Scholarly activity availability from research projects, case reports, echo rounds and quality patient safety initiative publications and dissemination at national meetings
- Research Clinical Associate Staff position is available after fellowship:
- Fifty percent spent developing as junior staff
- Fifty percent spent as a clinical researcher
- Nationally renowned faculty with leadership positions throughout the subspecialty societies with a commitment to mentoring fellows and providing professional development opportunities
Structure
Rotations are distributed into four week modules (13 total modules):
| Cardiothoracic Clinical Experience |
|
Mitral valve Aorta Heart Failure Structural Heart Disease Thoracic General Cardiac Revascularization |
6 weeks 6 weeks 4 weeks 4 weeks 4 weeks 4 weeks 2 weeks |
| Cardiovascular Intensive Care Unit |
|
| Imaging |
|
| Electives (two, 2-week electives) |
|
Critical Care Imaging Pediatric Cardiac QPSI Research |
Fellows 2025 - 2026

Ren Ariizumi, MD
Hometown: Seattle, WA
Undergraduate: University of Colorado at Boulder
Medical School: University of Kentucky College of Medicine
Residency: Walter Reed National Military Medical Center

Alan Boiangu, MD
Hometown: Brooklyn, NY
Undergraduate: City University of New York - Brooklyn College
Medical School: The University of Queensland - Ochsner Clinical School
Residency: Ochsner Clinic Foundation

Jayce Breig, MD
Hometown: Evergreen, CO
Undergraduate: Rollins College
Medical School: Drexel University College of Medicine
Residency: Cleveland Clinic

Jose Gallegos, MD
Hometown: Greenville, SC
Undergraduate: Wofford College
Medical School: MUSC
Residency: NYU Langone Hospital

Aaron Hacker, DO
Hometown: York, PA
Undergraduate: Concord University
Medical School: Nova Southeastern University
Residency: HCA Westside Hospital

Bobby Houston, MD
Hometown: Baltimore, MD
Undergraduate: University of Maryland Baltimore County
Medical School: Ross University School of Medicine
Residency: University of Florida

Boris Ladyzhensky, MD
Hometown: Brooklyn, NY
Undergraduate: Vaughn College of Aeronautics
Medical School: University of Duisburg-Essen (Germany)
Residency: University Hospitals/Case Western Reserve University
Previous fellowship: RAAPM Fellowship at Hospital for Special Surgery (Cornell University)

Mariusz Ligocki, MD
Hometown: BiaĆystok, Poland
Undergraduate: Medical University of Warsaw, Poland
Medical School: Medical University of Warsaw, Poland
Residency: University of Pittsburgh

Rod Nault, MD, MS
Hometown: Rochester, NY
Undergraduate: Duke University
Medical School: Case Western Reserve University School of Medicine
Residency: Cleveland Clinic

Chukwudubem (Dubem)Obianagha, DO
Hometown: Enugu, Nigeria/Dayton Ohio
Undergraduate: University of Nigeria, Nsukka/Wright State University
Medical School: The Ohio State University

Vinicuius Da Silva Moreira, MD
Hometown: Brasilia, Brazil
Medical School: University of Brasilia
Residency: Advocate Illinois Masonic Medical Center - Chicago, IL

Quinton Riter, DO
Hometown: Stow, OH
Undergraduate: Ohio University
Medical School: Ohio University- Heritage College of Osteopathic Medicine
Residency: Cleveland Clinic Foundation

Cory Roth, MD
Hometown: Cleveland Ohio
Undergraduate: Ohio State University
Medical School: Ohio State University

Daniel Schiller, DO
Hometown: Long Island, New York
Undergraduate: SUNY Buffalo
Medical School: West Virginia School of Osteopathic Medicine
Residency: Case Western Reserve University/ MetroHealth Medical Center

Andrew Stone, MD
Hometown: Orange, CT
Undergraduate: Boston College
Medical School: University of Connecticut
Residency: New York Presbyterian/Weill Cornell Medical Center

Brandy Sweeney, DO
Hometown: Duluth, MN
Undergraduate: College of St. Catherine
Medical School: WVSOM
Residency: University of Tennessee Health Science Center

Garrett Thomas, MD
Hometown: Ashburn, VA
Undergraduate: University of Virginia
Medical School: Wake Forest School of Medicine
Residency: Cleveland Clinic Foundation - Main Campus

Yunjia Zhang, MD
Hometown: Xi'an, China
Undergraduate: New York University
Medical School: SUNY Upstate Medical University
Residency: NYU Langone
Requirements
- Applicants must have completed an anesthesiology residency program accredited by one of the following:
- Accreditation Council for Graduate Medical Education (ACGME)
- Royal College of Physicians and Surgeons of Canada (RCPSC) or CFPC-accredited residency program located in Canada
- USMLE steps 1, 2 and 3 completion
- Be eligible for a temporary unrestrictive Ohio medical license
Application Process
All application materials must be sent directly to the San Francisco Match. In order to register and apply, please visit the SF Match and follow online instructions.
- CV
- Personal Statement
- USMLE and In-training scores
- Three letters of recommendation (one must be from the Program Director)
- ECFMG Certificate (if applicable)
Application Timeline
Important dates for fellowship application and match process can be found at SF Match*
Resources
Training at Cleveland Clinic
We invite you to explore our Graduate Medical Education website to discover the reasons why Cleveland Clinic offers an ideal teaching and learning environment as well as to learn more about our rich tradition of excellence in the “education of those who serve.”
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