internal
Milan Galik
Chief Executive Officer & President
Executive
6 yr
5 reports
Interactive Brokers Group, Inc. ·IBKR
Founder controls voting power while CEO runs operations
Financials · Fortune #432 · Holding structure · 3K employees · Greenwich, Connecticut
View as of:
4
CEO span
↓ tighter than peers (avg 8)
2
Avg span
tight
3
Max depth
3 levels
17.5 yr
Avg tenure
↑ 1.5yr from FY2024
75%
Internal hires
↑ above industry avg
Consolidated financials FY2025 · period end 2025-12-31 · 10-K
Revenue
$2.4B
Net income
$45M
Total assets
$203.2B
Shares out
42M
Sourced from Interactive Brokers Group, Inc. DEF 14A · filed 2026-03-11 ↗ View on SEC
Interactive org chart
Interactive Brokers Group, Inc. organizational chart
Explore the executive structure, reporting layers, and scenario-ready operating model from public filings.
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Founder Thomas Peterffy controls most voting power while CEO Milan Galik manages operations. This page maps Interactive Brokers’ flat executive structure, long‑tenured leadership team, governance context, and peer comparison among global electronic brokers.
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 Thomas A. Frank changed role as Executive Vice President
Transitioned from CIO role as of April 2024; continues oversight of technology and risk.
Source · See change logScenario views in the chart
- Add Chief AI Officer Introduce a dedicated AI leader to oversee automation and advanced trading intelligence.
- Add Chief Operating Officer Insert a COO role to formalize operational oversight as the firm scales globally.
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
6 executives identified as Named Executive Officers in the most recent SEC proxy. Bar length scales with tenure.
internal
Thomas Peterffy
Chairman
Board / Executive
19 yr
0 reports
internal
Earl H. Nemser
Vice Chairman
Board / Legal
19 yr
0 reports
internal
Paul J. Brody
Chief Financial Officer, Treasurer & Secretary
Finance
19 yr
1 reports
internal
Thomas A. Frank
Executive Vice President
Technology & Risk
26 yr
0 reports
Denis Mendonca
Chief Accounting Officer
Finance
5 yr
0 reports
The pay
Executive compensation
From the most recent DEF 14A Summary Compensation Table. 5 named executive officers disclosed. Bar length scales with total compensation.
Thomas Peterffy $766K
- Base salary
- $592K
- Bonus
- $175K
- Fiscal year
- FY2025
- Source
- SEC DEF 14A ↗
Earl H. Nemser $3.6M
- Base salary
- $770K
- Bonus
- $1.00M
- Stock awards
- $1.55M
- Other
- $252K
- Fiscal year
- FY2025
- Source
- SEC DEF 14A ↗
Milan Galik $19.7M
- Base salary
- $590K
- Bonus
- $4.00M
- Stock awards
- $14.55M
- Other
- $529K
- Fiscal year
- FY2025
- Source
- SEC DEF 14A ↗
Paul J. Brody $6.9M
- Base salary
- $590K
- Bonus
- $2.50M
- Stock awards
- $3.50M
- Other
- $280K
- Fiscal year
- FY2025
- Source
- SEC DEF 14A ↗
Thomas A. Frank $2.0M
- Base salary
- $590K
- Bonus
- $400K
- Stock awards
- $900K
- Other
- $81K
- 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
No formal stock ownership multiple; significant founder ownership aligns incentives.
| Holder | Shares | % of class |
|---|---|---|
| Thomas Peterffy | 6.22M | 1.4% |
| Milan Galik | 2.73M | 0.61% |
| Paul J. Brody | 2.73M | 0.61% |
| Earl H. Nemser | 370K | <1% |
The businesses
How Interactive Brokers Group, Inc. divides the work
3 divisions report into the group CEO. Tile size scales with estimated headcount.
Electronic Brokerage
2K employees
Chief Executive Officer (Milan Galik)
Core global electronic brokerage operations across equities, options, futures, and FX.
Technology & Infrastructure
700 employees
Executive Vice President (Thomas A. Frank)
Development and maintenance of proprietary trading platforms and infrastructure.
Finance & Accounting
300 employees
Chief Financial Officer (Paul J. Brody)
Financial reporting, regulatory capital management, and accounting oversight.
The thesis
Why this org is unusual
Founder Thomas Peterffy retains effective voting control through the dual‑class structure, while day‑to‑day operations are run by CEO Milan Galik.
This separation is unusual among public brokers of comparable scale. Operational authority is concentrated in a very small executive team, reflecting the firm’s technology‑driven, centralized operating model.
The organization is notably flat, with most strategic and functional leadership reporting directly to the CEO. Long tenures and internal promotions dominate the leadership profile, reinforcing continuity and a strong founder‑led culture. The absence of a standalone COO highlights reliance on software automation rather than layered operational management.
- Founder retains majority voting control via Class B shares
- No standalone COO role
- Extremely long executive tenures
The comparison
How Interactive Brokers Group, Inc. stacks up
Compared with peers such as Charles Schwab or Nasdaq, Interactive Brokers maintains a much smaller C‑suite and flatter hierarchy. While peers typically separate operational, technology, and product leadership into distinct C‑level roles, IBKR consolidates these responsibilities under long‑tenured executives. This …
C-suite size
Reporting depth
Interactive Brokers Group, Inc.
3 levels
5 levels
Nasdaq
5 levels
CME Group
5 levels
Robinhood
4 levels
Avg C-suite tenure
Has COO / Has CAIO
Interactive Brokers Group, Inc. — no COO — no CAIO
Nasdaq ✓ COO ✓ CAIO
CME Group ✓ COO — no CAIO
Robinhood ✓ COO — no CAIO
Current signals
What changed recently
The most significant recent change was the 2024 transition of Thomas A. Frank from CIO to broader EVP responsibilities.
- Date not confirmed reorgThomas A. Frank Executive Vice President
Transitioned from CIO role as of April 2024; continues oversight of technology and risk.
Source - Date not confirmed new
Leadership Timeline
Year-over-year executive structure based on SEC proxy and annual filings.
FY2025
DEF 14A filed 2026-03-11
- CEO
- Milan Galik
- CEO span
- 4
- C-suite
- 4
- Avg tenure
- 17 yr
Founder retained voting control while professional CEO managed operations.
Named executive officers (4)
- Milan Galik - CEO & President since 2019
- Paul J. Brody - CFO since 2006
- Thomas A. Frank - Executive Vice President since 1999
- Earl H. Nemser - Vice Chairman since 2006
FY2024
DEF 14A filed 2025-03-06
- CEO
- Milan Galik
- CEO span
- 4
- C-suite
- 4
- Avg tenure
- 16 yr
Technology leadership still centered on long‑tenured CIO.
Named executive officers (4)
- Milan Galik - CEO & President since 2019
- Paul J. Brody - CFO since 2006
- Thomas A. Frank - Executive Vice President / CIO since 1999
- Earl H. Nemser - Vice Chairman since 2006
FY2023
DEF 14A filed 2024-03-07
- CEO
- Milan Galik
- CEO span
- 4
- C-suite
- 4
- Avg tenure
- 15 yr
Stable leadership with no C‑suite turnover.
Named executive officers (4)
- Milan Galik - CEO & President since 2019
- Paul J. Brody - CFO since 2006
- Thomas A. Frank - Executive Vice President / CIO since 1999
- Earl H. Nemser - Vice Chairman since 2006
Year-over-year changes
Leadership remained stable with a notable technology role redefinition.
- CEO span: 4 → 4
- C-suite size: 4 → 4
- Avg tenure: 16 → 17 yr
- retitled Thomas A. Frank - Executive Vice President (was Chief Information Officer) (DEF 14A, Mar 2026)
The board
Board of directors
9 directors. 5 of 9 independent (56%). Source: most recent DEF 14A.
Thomas Peterffy
Chair Inside
Founder & Chairman, Interactive Brokers Group
Lawrence E. Harris
Lead Indep. Independent
Professor Emeritus, USC Marshall School of Business
Also on: Tradeweb Markets, Inc.
Earl H. Nemser
Inside
Vice Chairman, Interactive Brokers Group
Milan Galik
Inside
CEO, Interactive Brokers Group
Paul J. Brody
Inside
CFO, Interactive Brokers Group
Nicole Yuen
Independent
Independent Director
Also on: Invesco Asia Dragon Trust plc
Jill Bright
Independent
Operating Executive, Crestview Partners
Richard Repetto
Independent
Managing Director, Cornerstone Financial Technology Management
Also on: Tradeweb Markets, Inc.
Lori Conkling
Independent
Head of TV and Film Licensing, Netflix
The board, organized
Board committees
3 standing committees. Audit and Compensation must be 100% independent under SEC rules; the rest vary.
Audit Committee
100% independent 9 mtgs/yr
- Lawrence E. Harris Chair
- Richard Repetto
- Jill Bright
Compensation Committee
3 mtgs/yr
- Thomas Peterffy Chair
- Earl H. Nemser
- Milan Galik
Nominating & Corporate Governance Committee
33% independent 2 mtgs/yr
- Earl H. Nemser Chair
- Thomas Peterffy
- Nicole Yuen
Frequently Asked Questions
Who is the CEO of Interactive Brokers Group?
Milan Galik has served as Chief Executive Officer since October 2019.
What type of organizational structure does Interactive Brokers Group use?
Interactive Brokers operates a flat, founder‑controlled holding company structure.
How many direct reports does Interactive Brokers Group's CEO have?
The CEO has four primary executive direct reports.
How has Interactive Brokers Group's leadership changed recently?
In 2024, Thomas A. Frank transitioned from CIO to a broader Executive Vice President role.
Does Interactive Brokers Group have a COO?
No, Interactive Brokers does not maintain a standalone Chief Operating Officer role.
Sources
- Company Proxy Statement, Mar 2025
- DEF 14A Filing, Mar 2026
- SEC EDGAR: Interactive Brokers Group, Inc. DEF 14A Proxy Statement
- SEC EDGAR: Interactive Brokers Group, Inc. 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). Interactive Brokers Group, Inc. organizational structure. Creately. Retrieved , from https://creately.com/org-chart/fortune-500/interactive-brokers-group/MLA 9th
"Interactive Brokers Group, Inc. Organizational Structure." Creately, April 1, 2026, https://creately.com/org-chart/fortune-500/interactive-brokers-group/. Accessed .Chicago 17
Creately. "Interactive Brokers Group, Inc. Organizational Structure." Last modified April 1, 2026. https://creately.com/org-chart/fortune-500/interactive-brokers-group/.Original SEC source View on SEC ↗
Interactive Brokers Group, Inc.. DEF 14A. Filed 2026-03-11. U.S. Securities and Exchange Commission. https://www.sec.gov/Archives/edgar/data/1381197/000138119726000066/ibkr-20260311.htmPermanent URL: https://creately.com/org-chart/fortune-500/interactive-brokers-group/ · last updated 2026-04-01