internal
Michael J. Lisman
President and Chief Executive Officer
Executive
1 yr
4 reports
Leadership change Michael J. Lisman was promoted to President and CEO (from Co‑COO) · DEF 14A filed 2026-01-23
TransDigm Group Incorporated ·TDG
Three co-COOs ran operations before CEO succession
Aerospace & Defense · Fortune #475 · Holding structure · 17K employees · Cleveland, Ohio
View as of:
4
CEO span
↓ tighter than peers (avg 9)
4
Avg span
moderate
2
Max depth
2 levels
2 yr
Avg tenure
↓ 2.0yr from FY2024
100%
Internal hires
↑ above industry avg
Consolidated financials FY2024 · period end 2024-09-30 · 10-K
Revenue
$7.9B
Operating income
$4.2B
Net income
$2.1B
Total assets
$22.9B
Shares out
56M
Sourced from TransDigm Group Incorporated DEF 14A · filed 2026-01-23 ↗ View on SEC
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TransDigm Group Incorporated organizational chart
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Three co‑COOs historically ran TransDigm’s operations, a structure that shaped the 2025 CEO succession. This page details the current executive structure, leadership tenure, compensation, board oversight, and how TransDigm compares with aerospace peers.
What to model
Use the chart to test org decisions, not just view reporting lines
Start with the public baseline, then use the scenario views and source-backed changes to ask what happens when leadership, span, or team ownership shifts.
Latest signal Michael J. Lisman moved into President and CEO
Assumed CEO role on 2025-10-01 succeeding Kevin Stein.
Source · See change logScenario views in the chart
- Add Chief AI Officer Introduce a CAIO reporting to the CEO to coordinate data and AI across operating units.
- Consolidate under single COO Merge the two Co‑COO roles into a single COO to simplify operational accountability.
Atlas work this supports
- Connect Workday or UKG Get these analytics for YOUR org — tenure, span of control, headcount, automatically from your HRIS.
- Connect Salesforce Map your target accounts like this. Import contacts, visualize decision chains, plan multi-threading.
- Plan a Reorg Use this as a starting point. Model scenarios, compare structures, present options to your board.
The people
Who's running this
5 executives identified as Named Executive Officers in the most recent SEC proxy. Bar length scales with tenure.
internal
Sarah L. Wynne
Chief Financial Officer
Finance
3 yr
0 reports
internal
Joel B. Reiss
Co-Chief Operating Officer
Operations
3 yr
0 reports
internal
Patrick J. Murphy
Co-Chief Operating Officer
Operations
1 yr
0 reports
Armani Vadiee
General Counsel, Chief Compliance Officer & Secretary
Legal
2 yr
0 reports
The pay
Executive compensation
From the most recent DEF 14A Summary Compensation Table. 2 named executive officers disclosed. Bar length scales with total compensation.
Michael J. Lisman $33.9M
- Base salary
- $768K
- Bonus
- $5.35M
- Non-equity incentive
- $26.86M
- Fiscal year
- FY2025
- Source
- SEC DEF 14A ↗
Sarah L. Wynne $15.9M
- Base salary
- $721K
- Bonus
- $4.45M
- Non-equity incentive
- $9.83M
- Fiscal year
- FY2025
- Source
- SEC DEF 14A ↗
The skin in the game
Beneficial ownership
Insider stock holdings and the company's ownership requirements for executives and directors. Disclosed in the most recent DEF 14A.
Stock ownership requirements
Stock ownership guidelines referenced but specific multiples not disclosed in excerpt.
The businesses
How TransDigm Group Incorporated divides the work
3 divisions report into the group CEO. Tile size scales with estimated headcount.
Operations
15K employees
Co-Chief Operating Officer (Joel B. Reiss / Patrick J. Murphy)
Decentralized operating units managing aerospace component businesses.
Finance
300 employees
Chief Financial Officer (Sarah L. Wynne)
Corporate finance, accounting, treasury, and capital allocation.
Legal & Compliance
100 employees
General Counsel (Armani Vadiee)
Legal affairs, compliance, governance, and risk oversight.
The thesis
Why this org is unusual
Three operating leaders effectively ran TransDigm before the CEO transition, with two Co‑COOs now reporting to a recently promoted CEO.
This reflects TransDigm’s long-standing decentralized, private‑equity‑style holding structure where operational authority sits with seasoned internal leaders. The CEO’s span is intentionally narrow, focused on capital allocation and succession rather than day‑to‑day operations.
The structure emphasizes internal promotion and long tenures within operating units, reinforcing cultural continuity. Finance and legal remain lean corporate functions, while operating companies retain autonomy.
- CEO promoted from Co‑COO role
- Multiple Co‑COOs retained post‑succession
The comparison
How TransDigm Group Incorporated stacks up
Compared with peers like Heico and Parker‑Hannifin, TransDigm maintains a flatter corporate center and heavier reliance on operating executives. Unlike RTX or Boeing, it avoids large functional headquarters layers, aligning more closely with private‑equity‑owned industrial models. This results in higher CEO leverage …
C-suite size
Reporting depth
Avg C-suite tenure
Has COO / Has CAIO
TransDigm Group Incorporated ✓ COO — no CAIO
Heico — no COO — no CAIO
Current signals
What changed recently
Michael Lisman succeeded Kevin Stein as CEO in October 2025 following a planned internal succession.
- promoted
- Date not confirmed promoted
Leadership Timeline
Year-over-year executive structure based on SEC proxy and annual filings.
FY2025
DEF 14A filed 2026-01-23
- CEO
- Michael J. Lisman
- CEO span
- 4
- C-suite
- 5
- Avg tenure
- 2 yr
Planned CEO succession completed with internal promotion.
Named executive officers (5)
- Michael J. Lisman - President and CEO since 2025
- Sarah L. Wynne - CFO since 2023
- Joel B. Reiss - Co‑COO since 2023
- Patrick J. Murphy - Co‑COO since 2025
- Armani Vadiee - General Counsel
FY2024
DEF 14A filed 2025-01-24
- CEO
- Kevin M. Stein
- CEO span
- 4
- C-suite
- 5
- Avg tenure
- 4 yr
CEO succession announced; operations led by co‑COOs.
Named executive officers (5)
- Kevin M. Stein - President and CEO since 2018
- Sarah L. Wynne - CFO since 2023
- Michael J. Lisman - Co‑COO since 2023
- Joel B. Reiss - Co‑COO since 2023
- Jessica L. Warren - General Counsel since 2023
FY2023
DEF 14A filed 2024-01-24
- CEO
- Kevin M. Stein
- CEO span
- 4
- C-suite
- 5
- Avg tenure
- 5 yr
Pre‑succession structure with strong EVP bench.
Named executive officers (5)
- Kevin M. Stein - President and CEO since 2018
- Sarah L. Wynne - Chief Accounting Officer since 2018
- Michael J. Lisman - Executive Vice President since 2015
- Joel B. Reiss - Executive Vice President since 2015
- Jessica L. Warren - General Counsel since 2023
Year-over-year changes
CEO succession completed with no change in overall span.
- CEO span: 4 → 4
- C-suite size: 5 → 5
- Avg tenure: 4 → 2 yr
- promoted Michael J. Lisman - President and CEO (was Co‑COO) (DEF 14A filed 2026-01-23)
The board
Board of directors
10 directors. 8 of 10 independent (80%). Source: most recent DEF 14A.
W. Nicholas Howley
Chair Inside
Chairman, TransDigm Group
Robert J. Small
Lead Indep. Independent
David A. Barr
Independent
Managing Director, Bessemer Investors
Jane M. Cronin
Independent
SVP Enterprise Finance, Sherwin‑Williams
Also on: Cleveland-Cliffs
Michael Graff
Independent
Sean P. Hennessy
Independent
Gary E. McCullough
Independent
Peter J. Palmer
Independent
Former EVP, TransDigm
Michele L. Santana
Independent
Michael J. Lisman
Inside
President and CEO, TransDigm
The board, organized
Board committees
1 standing committees. Audit and Compensation must be 100% independent under SEC rules; the rest vary.
Audit Committee
100% independent
- Jane M. Cronin
- Michele L. Santana
Frequently Asked Questions
Who is the CEO of TransDigm Group?
Michael J. Lisman has served as President and CEO since October 1, 2025.
What type of organizational structure does TransDigm Group use?
TransDigm operates as a decentralized holding company with autonomous operating units.
How many direct reports does TransDigm Group's CEO have?
The CEO currently has four direct reports.
How has TransDigm Group's leadership changed recently?
The company completed a planned CEO succession in October 2025 and added a new Co‑COO in August 2025.
Is TransDigm Group known for internal promotions?
Yes. The CEO, CFO, and Co‑COOs were all promoted internally.
Sources
- Company Proxy Statement, Jan 2026
- SEC EDGAR: TransDigm Group Incorporated DEF 14A Proxy Statement
- SEC EDGAR: TransDigm Group Incorporated 10-K Annual Report
Reference
Cite this page
If you reference this page in research, analysis, or news writing, use one of the formats below. Citation includes the SEC filing source where applicable.
APA 7th
Creately. (2026). TransDigm Group Incorporated organizational structure. Creately. Retrieved , from https://creately.com/org-chart/fortune-500/transdigm-group/MLA 9th
"TransDigm Group Incorporated Organizational Structure." Creately, April 1, 2026, https://creately.com/org-chart/fortune-500/transdigm-group/. Accessed .Chicago 17
Creately. "TransDigm Group Incorporated Organizational Structure." Last modified April 1, 2026. https://creately.com/org-chart/fortune-500/transdigm-group/.Original SEC source View on SEC ↗
TransDigm Group Incorporated. DEF 14A. Filed 2026-01-23. U.S. Securities and Exchange Commission. https://www.sec.gov/Archives/edgar/data/1260221/000126022126000009/tdg-20260122.htmPermanent URL: https://creately.com/org-chart/fortune-500/transdigm-group/ · last updated 2026-04-01