New York attorney record · Judicial Dept 2
Leslie Macdonald Ballantyne
Harvard Law School alumna, admitted to the New York bar in 2002, registered office in New York, NY. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2002
- Admitted
- 24
- Years in bar
- 4019188
- NY reg #
The record in one line
Leslie Macdonald Ballantyne has held an active New York bar license for 24 years - admitted in 2002, longer-tenured than 51% of the state's currently-active attorneys.
- 24 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #31470 of 93,608
- by tenure in New York office peers
- Law school
- Harvard Law School
Data updated August 2026
What this profile tells you
Bar status & tenure
Leslie Macdonald Ballantyne carries New York bar registration 4019188, an established, active practitioner in good standing. Registration is recorded within Judicial Department 2, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Memorial Sloan Kettering Cancer Center, located in New York, NY (New York County), ZIP 10017. 5 other attorneys share this firm affiliation in the registry. Educational background: Harvard Law School (9,205 registered alumni).
State context & due diligence
With an established practice on record, Leslie Macdonald Ballantyne remains inside the New York bar's active cohort - see below for how that share of the register compares.
Experience vs. the active New York bar
Leslie Macdonald Ballantyne was admitted in 2002, giving 24 years on the New York register.
24 years on the New York bar
Years since admission, all currently-active NY attorneys
24 Top 49% higher than 51% of 290,787 active NY attorneys
Each bar is a band; taller bars hold more active NY attorneys. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NY Office of Court Administration, Attorney Registration · August 2026
Tenure among New York, NY office peers
Leslie Macdonald Ballantyne is earlier in the New York, NY office cohort than most peers: local tenure rank #31,470 of 93,608 (34th percentile). See the New York attorney directory .
- Local rank
- #31,470
- City cohort
- 93,608
- Local percentile
- 34th
- Admitted
- 2002
Nearest tenure peers in New York
- Aliaa Ezzat Abdelrahman admitted 2002 · 24 yr
- Andrea Abraham admitted 2002 · 24 yr
- Peter A. Abruzzese admitted 2002 · 24 yr
- Gabriel Acri admitted 2002 · 24 yr
How local rank is computed
Rank uses years since NY-bar admission among non-deceased registry rows that list the same office city and state, a local placement, not a statewide claim. Source: NY Office of Court Administration Attorney Registration · as of August 2026. Derived local rank, not published upstream.
How Leslie compares to fellow Harvard Law School alumni
Among the 8,724 Harvard Law School graduates in the New York register, Leslie Macdonald Ballantyne is longer-tenured than 70%.
24 years vs. Harvard Law School alumni
Years since admission - 8,724 NY-registered alumni of this school
24 Top 30% higher than 70% of 8,724 fellow alumni
Each bar is a band; taller bars hold more fellow alumni. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NY Office of Court Administration, Attorney Registration · August 2026
Harvard Law School's active-bar rate
Of Harvard Law School's 9,205 alumni in the New York register, 74.8% currently hold "Currently registered" status, above the statewide average.
The 2002 admission class today
Of the 7,981 attorneys admitted to the New York bar in 2002, 64.4% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 4019188
- Year Admitted
- 2002 (24 yrs · senior)
- Judicial Department
- 2
- Next Registration
- Oct 2026
Location & Contact
- Company
- Memorial Sloan Kettering Cancer Center
- City
- New York, NY
- County
- New York
- ZIP Code
- 10017
- Phone
- (845) 893-5146
Education
Status Distribution Across the New York Bar
Leslie Macdonald Ballantyne's current status, "Currently registered", places this attorney in the 67.2% of the 432,625-attorney New York register currently marked active.
Full statewide breakdown & source note
Source: NY Office of Court Administration, Attorney Registrations. Status counts reflect the latest reporting cycle. Bar status confirms registration only; it does not imply competence, specialty fit, or freedom from complaints.
Same firm affiliation: Memorial Sloan Kettering Cancer Center
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure Harvard Law School alumni
Fellow alumni on the NY register whose admission year is closest to 2002 (excluding same-firm colleagues above).
Same admission year (2002), other cities
NY-registered attorneys admitted in 2002 whose listed office city differs from New York, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Leslie Macdonald Ballantyne: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~93,609 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2002)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
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Compare attorneys →Before you rely on this record
Leslie Macdonald Ballantyne's "Currently registered" listing confirms bar standing only, it is a registration fact to verify, not a verdict on quality or competence.
Frequently Asked Questions
Where is Leslie Ballantyne licensed?
Leslie Ballantyne is licensed to practice law in New York.
When was Leslie Macdonald Ballantyne admitted to the bar?
Leslie Macdonald Ballantyne was admitted to the bar in 2002.
Where did Leslie Macdonald Ballantyne go to law school?
Leslie Macdonald Ballantyne attended Harvard Law School.
What company does Leslie Macdonald Ballantyne work for?
Leslie Macdonald Ballantyne is associated with Memorial Sloan Kettering Cancer Center in New York, NY.
Is Leslie Macdonald Ballantyne in good standing?
Yes, Leslie Macdonald Ballantyne holds active bar status ("Currently registered").
Cite this page & disclosure
Sourced from the NY Office of Court Administration, informational only, not legal advice. Full disclosure.
Read our methodology - how this data is sourced, computed, and verified.