People and source evidence
Faculty profiles and official portraits
Explore individually sourced roles, affiliations and portraits. Where a portrait is unavailable in reviewed evidence, it is marked below.

Stan Tolkachjov
Program Director
Photo: Official profile photograph — source attribution provided.
Stan Tolkachjov is a dermatologist with board certifications in dermatology and micrographic dermatologic surgery. His hospital profile records a medical degree from the University of Tennessee, dermatology residency at Mayo Clinic and Mohs fellowship training at Surgical Dermatology Group. He is affiliated with Baylor University Medical Center.
Biography source ↗ · Reviewed 23 Oct 2026
Official programme team / named host-centre listing ↗Profile reviewed 22 Oct 2026
Profile page →Official portrait unavailable in reviewed evidence
Yang Xia
Assistant Program Director
Xia is assistant programme director of Baylor Scott & White’s Micrographic Surgery and Dermatologic Oncology Fellowship. Baylor lists her specialty as dermatology and names her on the programme leadership team.
Biography source ↗ · Reviewed 23 Oct 2026
Official programme team / named host-centre listing ↗Profile reviewed 22 Oct 2026
Profile page →Official portrait unavailable in reviewed evidence
Brad Bader
Core Faculty — Otolaryngology, Facial Plastic and Reconstructive Surgery
Bader is core faculty in Baylor Scott & White’s Micrographic Surgery and Dermatologic Oncology Fellowship. The official faculty listing identifies his specialty as otolaryngology, facial plastic and reconstructive surgery.
Biography source ↗ · Reviewed 23 Oct 2026
Official programme team / named host-centre listing ↗Profile reviewed 22 Oct 2026
Profile page →Official portrait unavailable in reviewed evidence
Christopher John Britt
Core Faculty — Head and Neck Surgery
Christopher John Britt is a head and neck surgeon affiliated with Baylor University Medical Center. He trained in otolaryngology at the University of Wisconsin and completed further training in head and neck surgical oncology and microvascular reconstruction at Johns Hopkins. His hospital profile records certification in otolaryngology–head and neck surgery.
Biography source ↗ · Reviewed 23 Oct 2026
Official programme team / named host-centre listing ↗Profile reviewed 22 Oct 2026
Profile page →Official portrait unavailable in reviewed evidence
Cary Chisholm
Core Faculty — Dermatopathology
Chisholm is core faculty in Baylor Scott & White’s Micrographic Surgery and Dermatologic Oncology Fellowship. The programme lists his specialty as dermatopathology.
Biography source ↗ · Reviewed 23 Oct 2026
Official programme team / named host-centre listing ↗Profile reviewed 22 Oct 2026
Profile page →
Dario Kivelevitch
Core Faculty — Dermatology
Photo: Official profile photograph — source attribution provided.
Dario Kivelevitch is a dermatologist affiliated with Baylor University Medical Center. He earned his medical degree at the University of Buenos Aires and completed dermatology training there and at Baylor. His hospital profile records American Board of Dermatology certification and care for children and adults.
Biography source ↗ · Reviewed 23 Oct 2026
Official programme team / named host-centre listing ↗Profile reviewed 22 Oct 2026
Profile page →Official portrait unavailable in reviewed evidence
Charles Po-Yang Lee
Core Faculty — Radiation Oncology
Charles Po-Yang Lee is a radiation oncologist whose Baylor Scott & White profile records American Board of Radiology certification. He earned his medical degree at Tulane University and completed radiation oncology residency training at Wayne State University. He provides care across paediatric and adult age groups.
Biography source ↗ · Reviewed 23 Oct 2026
Official programme team / named host-centre listing ↗Profile reviewed 22 Oct 2026
Profile page →Appointment evidence
Published role and affiliation
The official evidence identifies the leadership and affiliation listed below for Micrographic Surgery and Dermatologic Oncology Fellowship.
- Leadership as published
- Stan Tolkachjov — Programme Director; Yang Xia — Assistant Programme Director; named core teaching team
- Evidence reviewed
- 20 Oct 2026
- Affiliated training host
- Baylor University Medical Center (Baylor Scott & White Health)
Names may identify a director, supervisor, host or contact. The source wording above defines the role; reconfirm the current appointment with the programme.
Training context
Published programme focus
These areas describe the linked training programme, rather than a complete clinical biography or list of individual credentials.
Associated training route
Clinical fellowship
Micrographic Surgery and Dermatologic Oncology Fellowship
A one-year ACGME- and ACMS-accredited fellowship with a cutaneous surgical oncology and reconstruction focus, in which fellows repair defects after skin cancer removal.
- Location
- Dallas, Texas, United States
- Duration
- One year
- Clinical participation
- Confirm the clinical role and privileges with the programme
- International applicants
- International eligibility, licensing and visa support are not confirmed
- Funding
- Current salary or funding is not published in the reviewed source
- Application timing
- Current deadline not confirmed; consult the official programme
Programme listed — intake not confirmed
Current intake not confirmed
Eligibility, training and application
Eligibility
At least three years of dermatology residency, with a personal statement, CV, three letters of recommendation and USMLE and/or COMLEX scores.
Published training
- Hands-on reconstruction of most excised tumours, including complex cases
- Scar revision
- Cutaneous anatomy, wound healing and reconstructive techniques
Application route
Applications are submitted through SF Match; the page states no deadline.
No programme-specific document checklist is recorded. Follow the current official instructions.
Published contact note: Hunter Pfeifer, Program Administrator — Hunter.Pfeifer@BSWHealth.org
Direct programme page · Source reviewed 20 Oct 2026
Official sources
- Baylor Scott & White Health — Micrographic Surgery and Dermatologic Oncology Fellowship (Dallas) ↗
- Charles Po-Yang Lee — Official programme team / named host-centre listing ↗
Source review: 20 Oct 2026. Education history, additional appointments, publications and personal contact details are not added without separate official evidence.
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