Kowalski, Leonardo
Kowalski, Leonardo is a political services vendor. In the 2025-2026 cycle Kowalski, Leonardo was paid $35K across 1 client committees.
Part I Identity
Stable facts about this entity. These figures do not change as you adjust the timeframe in Part II.
- Activity span ALL TIME
- Nov 8, 2017 → Jun 1, 2026
- spans 8.6 years
- Disbursements ALL TIME
- 67
- Schedule B rows
- Client committees ALL TIME
- 1
- distinct payers
Part II Activity in selected window
One timeframe control governs all three panels below. Change it once and the trajectory, top buyers, and party breakdown all update together.
Spend trajectory
Monthly spend to this vendor over the last 12 months.
Top buyers
Two views of the same data — diagram and table share the time-window control and the same top-buyers slice. Click "View all buyers in research" to drill in with the matching date range.
No buyer activity in this window.
Top buyers last 3 months · top 1
| Filer | Total spend | Disbursements |
|---|---|---|
| BLACKBURN, MARSHA MRS. TN · Senate REP |
$1,500 | 1 |
Top buyers last 6 months · top 1
| Filer | Total spend | Disbursements |
|---|---|---|
| BLACKBURN, MARSHA MRS. TN · Senate REP |
$6,000 | 4 |
Top buyers last 12 months · top 1
| Filer | Total spend | Disbursements |
|---|---|---|
| BLACKBURN, MARSHA MRS. TN · Senate REP |
$15,000 | 10 |
Top buyers last 18 months · top 1
| Filer | Total spend | Disbursements |
|---|---|---|
| BLACKBURN, MARSHA MRS. TN · Senate REP |
$22,810 | 16 |
Top buyers last 24 months · top 1
| Filer | Total spend | Disbursements |
|---|---|---|
| BLACKBURN, MARSHA MRS. TN · Senate REP |
$24,310 | 22 |
By party
Revenue by party
| Party | Amount | % |
|---|---|---|
| Democratic | $0 | 0.00% |
| Republican | $35,133 | 100.00% |
| Non-partisan | $0 | 0.00% |
Part III Reference tables
Full all-time and cycle-to-date data.
Cycle-over-cycle trajectory
current cycle earlier election cycle off-cycle year quarterly · 9 years
| Year | Q | Cycle | Total | Txns | Top buyer · share | Top category · share | Cum. (cycle) | YoY % |
|---|---|---|---|---|---|---|---|---|
| 2017 | Q4 | 2018 | $166 | 2 | BLACKBURN, MARSHA MRS. 100% | Travel & Events 71% | $166 | — |
| 2018 | Q1 | 2018 | $526 | 1 | BLACKBURN, MARSHA MRS. 100% | Contributions & Trans… 100% | $692 | — |
| 2018 | Q3 | 2018 | $29 | 1 | BLACKBURN, MARSHA MRS. 100% | Travel & Events 100% | $721 | — |
| 2020 | Q4 | 2020 | $162 | 1 | BLACKBURN, MARSHA MRS. 100% | Travel & Events 100% | $162 | — |
| 2021 | Q2 | 2022 | $353 | 2 | BLACKBURN, MARSHA MRS. 100% | Contributions & Trans… 100% | $353 | — |
| 2021 | Q3 | 2022 | $750 | 3 | BLACKBURN, MARSHA MRS. 100% | Strategy & Research 100% | $1K | — |
| 2021 | Q4 | 2022 | $750 | 3 | BLACKBURN, MARSHA MRS. 100% | Strategy & Research 100% | $2K | — |
| 2022 | Q1 | 2022 | $750 | 3 | BLACKBURN, MARSHA MRS. 100% | Strategy & Research 100% | $3K | — |
| 2022 | Q2 | 2022 | $750 | 3 | BLACKBURN, MARSHA MRS. 100% | Strategy & Research 100% | $3K | — |
| 2022 | Q3 | 2022 | $750 | 3 | BLACKBURN, MARSHA MRS. 100% | Strategy & Research 100% | $4K | — |
| 2022 | Q4 | 2022 | $750 | 3 | BLACKBURN, MARSHA MRS. 100% | Strategy & Research 100% | $5K | +363% |
| 2023 | Q1 | 2024 | $750 | 3 | BLACKBURN, MARSHA MRS. 100% | Strategy & Research 100% | $750 | — |
| 2023 | Q2 | 2024 | $792 | 3 | BLACKBURN, MARSHA MRS. 100% | Strategy & Research 63% | $2K | +124% |
| 2023 | Q3 | 2024 | $750 | 3 | BLACKBURN, MARSHA MRS. 100% | Strategy & Research 100% | $2K | +0% |
| 2023 | Q4 | 2024 | $750 | 3 | BLACKBURN, MARSHA MRS. 100% | Strategy & Research 100% | $3K | +0% |
| 2024 | Q1 | 2024 | $750 | 3 | BLACKBURN, MARSHA MRS. 100% | Strategy & Research 100% | $4K | +0% |
| 2024 | Q2 | 2024 | $795 | 3 | BLACKBURN, MARSHA MRS. 100% | Strategy & Research 100% | $5K | +6% |
| 2024 | Q3 | 2024 | $750 | 3 | BLACKBURN, MARSHA MRS. 100% | Strategy & Research 100% | $5K | +0% |
| 2024 | Q4 | 2024 | $750 | 3 | BLACKBURN, MARSHA MRS. 100% | Strategy & Research 100% | $6K | +0% |
| 2025 | Q1 | 2026 | $750 | 3 | BLACKBURN, MARSHA MRS. 100% | Strategy & Research 100% | $750 | +0% |
| 2025 | Q2 | 2026 | $5K | 3 | BLACKBURN, MARSHA MRS. 100% | Strategy & Research 100% | $5K | +476% |
| 2025 | Q3 | 2026 | $5K | 3 | BLACKBURN, MARSHA MRS. 100% | Strategy & Research 100% | $10K | +500% |
| 2025 | Q4 | 2026 | $6K | 4 | BLACKBURN, MARSHA MRS. 100% | Strategy & Research 100% | $16K | +700% |
| 2026 | Q1 | 2026 | $3K | 2 | BLACKBURN, MARSHA MRS. 100% | Strategy & Research 100% | $19K | +300% |
| 2026 | Q2 | 2026 | $5K | 3 | BLACKBURN, MARSHA MRS. 100% | — | $23K | +466% |
Revenue by service category
No category revenue in this window.
No category revenue in this window.
| Category | Total spend | Txns | Avg check | % of total | Top buyer · share | Last paid |
|---|---|---|---|---|---|---|
| Strategy & Research | $29,105 | 56 | $520 | 95.0% | BLACKBURN, MARSHA MRS. 100% | 5mo ago |
| Contributions & Transfers | $879 | 3 | $293 | 2.9% | BLACKBURN, MARSHA MRS. 100% | 5y ago |
| Travel & Events | $600 | 4 | $150 | 2.0% | BLACKBURN, MARSHA MRS. 100% | 3y ago |
| Admin & Office | $48 | 1 | $48 | 0.2% | BLACKBURN, MARSHA MRS. 100% | 8y ago |
Client retention
Sticky-relationship signal: how many clients keep coming back across cycles vs one-time buyers.
| Client | Cycles | All-time spend | Txns | First paid | Last paid |
|---|---|---|---|---|---|
| BLACKBURN, MARSHA MRS. | 5 | $35,133 | 67 | 2017-11-08 | 2026-06-01 |
Geographic concentration
Where this vendor's clients are based — federal committees by state, plus implicit jurisdiction for CA and TX state filers.
| State | Total spend | % of revenue | Clients | |
|---|---|---|---|---|
| TN | $35,133 | 100.0% | 1 |
Notable disbursements
5 largest all-time · 5 largest in the current cycle · 5 most recent. Each row earns its place.
| Reason | Date | Filer | Category | Purpose | Amount |
|---|---|---|---|---|---|
| Largest all-time | 2025-06-02 | BLACKBURN, MARSHA MRS. | Strategy & Research | POLITICAL STRATEGY CONSULTING/REIMBURSEMENT | $1,560 |
| Largest all-time | 2025-11-26 | BLACKBURN, MARSHA MRS. | Strategy & Research | POLITICAL STRATEGY CONSULTING | $1,500 |
| Largest all-time | 2025-08-29 | BLACKBURN, MARSHA MRS. | Strategy & Research | POLITICAL STRATEGY CONSULTING | $1,500 |
| Largest all-time | 2025-05-01 | BLACKBURN, MARSHA MRS. | Strategy & Research | POLITICAL STRATEGY CONSULTING | $1,500 |
| Largest all-time | 2025-11-04 | BLACKBURN, MARSHA MRS. | Strategy & Research | POLITICAL STRATEGY CONSULTING | $1,500 |
| Recent | 2026-01-30 | BLACKBURN, MARSHA MRS. | Strategy & Research | POLITICAL STRATEGY CONSULTING | $1,500 |
| Recent | 2026-04-01 | BLACKBURN, MARSHA MRS. | — | POLITICAL STRATEGY CONSULTING | $1,500 |
| Recent | 2026-04-28 | BLACKBURN, MARSHA MRS. | — | POLITICAL STRATEGY CONSULTING | $1,500 |
| Recent | 2026-03-02 | BLACKBURN, MARSHA MRS. | Strategy & Research | POLITICAL STRATEGY CONSULTING | $1,500 |
| Recent | 2026-06-01 | BLACKBURN, MARSHA MRS. | — | POLITICAL STRATEGY CONSULTING | $1,500 |