![Joseph Hammer](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Joseph Hammer
Chief Executive Officer at
EXPION360 INC.
Net worth: 1 M $ as of 30/05/2026
Profile
Mr. Joseph Hammer is a Chairman & Chief Executive Officer at Expion360, Inc., a Chairman at Trailblazer Merger Corp.
I and a Chairman-Executive Committee at Chai Lifeline, Inc. He is on the Board of Directors at Duvdevan Foundation and Gratitude Railroad LLC.
Mr. Hammer was previously employed as a Founder by JDH Foundation.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
15.35% | 26/03/2026 | 2,158,949 ( 15.35% ) | 1 M $ | 30/05/2026 |
Joseph Hammer active positions
| Companies | Position | Start |
|---|---|---|
| EXPION360 INC. | Chief Executive Officer | 15/10/2025 |
Gratitude Railroad LLC | Director/Board Member | - |
Duvdevan Foundation | Director/Board Member | - |
Chai Lifeline, Inc.
 Chai Lifeline, Inc. Services to the Health IndustryHealth Services Provides social, emotional & financial support to seriously ill children, their families and communities | Corporate Officer/Principal | - |
Former positions of Joseph Hammer
| Companies | Position | End |
|---|---|---|
JDH Foundation
 JDH Foundation Miscellaneous Commercial ServicesCommercial Services JDH Foundation is a company that operates in the Membership Organizations industry. The company is based in Lakewood, NJ. The company was founded by Joseph Hammer. | Founder | - |
| TRAR MERGPAR | Chairman | - |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
16
1st degree connections
6
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 6 |
|---|---|
Chai Lifeline, Inc.
Chai Lifeline, Inc. Services to the Health IndustryHealth Services Provides social, emotional & financial support to seriously ill children, their families and communities | Health Services |
Gratitude Railroad LLC | |
Expion360, Inc.
 Expion360, Inc. Electrical ProductsProducer Manufacturing Designs, manufactures and sells lithium iron phosphate batteries | Producer Manufacturing |
Trailblazer Merger Corp. I
 Trailblazer Merger Corp. I Financial ConglomeratesFinance Operates as a blank check company | Finance |
JDH Foundation
JDH Foundation Miscellaneous Commercial ServicesCommercial Services JDH Foundation is a company that operates in the Membership Organizations industry. The company is based in Lakewood, NJ. The company was founded by Joseph Hammer. | Commercial Services |
Duvdevan Foundation | Commercial Services |
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