New York attorney record · Judicial Dept 1
David John Mack
University Of Sydney alumna, admitted to the New York bar in 2001, registered office in Brooklyn, NY. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 2001
- Admitted
- 25
- Years in bar
- 4004867
- NY reg #
The record in one line
With 25 years on the register since a 2001 admission, David John Mack ranks among the New York bar's most senior active practitioners, longer-tenured than 62% of the currently-active bar.
- 25 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #2823 of 7,282
- by tenure in Brooklyn office peers
- Law school
- University Of Sydney
Data updated September 2026
What this profile tells you
Bar status & tenure
Registration 4004867 with the New York bar authority has long belonged to David John Mack, a veteran practitioner still in active good standing. Registration is recorded within Judicial Department 1, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Drivetrain LLC, located in Brooklyn, NY (Kings County), ZIP 11217. Educational background: UNIVERSITY OF SYDNEY (112 registered alumni).
State context & due diligence
After 25 years on the register, David John Mack still falls within the New York bar's active cohort, a share of the register detailed further below.
Experience vs. the active New York bar
Few active New York attorneys match David John Mack's 25 years since admission in 2001.
25 years on the New York bar
Years since admission, all currently-active NY attorneys
25 Top 38% higher than 62% 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 · September 2026
Tenure among Brooklyn, NY office peers
David John Mack is earlier in the Brooklyn, NY office cohort than most peers: local tenure rank #2,823 of 7,282 (39th percentile). See the Brooklyn attorney directory .
- Local rank
- #2,823
- City cohort
- 7,282
- Local percentile
- 39th
- Admitted
- 2001
Nearest tenure peers in Brooklyn
- Nada Abdelhadi admitted 2001 · 25 yr
- Adeola I. Adele admitted 2001 · 25 yr
- Gerald Gustavo Arze admitted 2001 · 25 yr
- Heidi C. Baker admitted 2001 · 25 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 September 2026. Derived local rank, not published upstream.
How David compares to fellow University Of Sydney alumni
Among the 64 University Of Sydney graduates in the New York register, David John Mack is longer-tenured than 66%.
25 years vs. University Of Sydney alumni
Years since admission - 64 NY-registered alumni of this school
25 Top 34% higher than 66% of 64 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 · September 2026
University Of Sydney's active-bar rate
Of University Of Sydney's 112 alumni in the New York register, 71.4% currently hold "Currently registered" status, above the statewide average.
The 2001 admission class today
Of the 7,416 attorneys admitted to the New York bar in 2001, 82.5% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 4004867
- Year Admitted
- 2001 (25 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- Feb 2027
Location & Contact
- Company
- Drivetrain LLC
- City
- Brooklyn, NY
- County
- Kings
- ZIP Code
- 11217
- Phone
- (917) 415-3853
Education
Status Distribution Across the New York Bar
David John Mack'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.
Near-tenure University Of Sydney alumni
Fellow alumni on the NY register whose admission year is closest to 2001 (excluding same-firm colleagues above).
Same admission year (2001), other cities
NY-registered attorneys admitted in 2001 whose listed office city differs from Brooklyn, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for David John Mack: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~7,283 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2001)
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
David John Mack'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 David Mack licensed?
David Mack is licensed to practice law in New York.
When was David John Mack admitted to the bar?
David John Mack's admission to the New York bar dates back to 2001.
Where did David John Mack go to law school?
David John Mack attended UNIVERSITY OF SYDNEY.
What company does David John Mack work for?
David John Mack is associated with Drivetrain LLC in Brooklyn, NY.
Is David John Mack in good standing?
Yes, David John Mack 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.