![Alex Chmelev](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>)
Alex Chmelev
Director/Board Member at
Estis Compression LLC
Net worth: 489 266 $ as of 2026-07-30
Profile
Mr. Alex Chmelev is a Partner at GEC Advisors LLC.
He is on the Board of Directors at Flowco Holdings, Inc., Cumulus Digital Systems, Inc., Estis Compression LLC, Oilfield Labs of America LLC, SolarKal LLC and Stage Completions, Inc. Mr. Chmelev was previously employed as an Associate by Quintana Capital Group, an Associate by Quintana Capital Group, and an Analyst by Simmons & Company International.
He received his undergraduate degree from Texas A&M University and an MBA from Harvard Business School.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
0.06% | 2025-03-18 | 23,925 ( 0.06% ) | 489 266 $ | 2026-07-30 |
Alex Chmelev active positions
| Companies | Position | Start |
|---|---|---|
GEC Advisors LLC
 GEC Advisors LLC Investment ManagersFinance GEC Advisors invests in lower-middle market companies located across the globe primarily in North America. The firm targets companies operating in the fields of energy technology, software and service sectors. It provides financing in the form of equity and debt for growth and buyout stage capital requirements with an investment size of USD 10 - 100 million. It acquires controlling interest and also makes follow-on investments. | Private Equity Investor | 2014-03-31 |
Estis Compression LLC
 Estis Compression LLC Wholesale DistributorsDistribution Services Sells, leases and installs compressor systems | Director/Board Member | - |
Stage Completions, Inc.
 Stage Completions, Inc. Oilfield Services/EquipmentIndustrial Services Manufactures fracturing systems | Director/Board Member | - |
Cumulus Digital Systems, Inc.
 Cumulus Digital Systems, Inc. Packaged SoftwareTechnology Services Develops operations and maintenance management platform | Director/Board Member | - |
Oilfield Labs of America LLC
 Oilfield Labs of America LLC Miscellaneous Commercial ServicesCommercial Services Operates as a commercial analytical laboratory for the energy and water industries | Director/Board Member | - |
SolarKal LLC
 SolarKal LLC Internet Software/ServicesTechnology Services Offers commercial solar energy marketplace solutions to organizations | Director/Board Member | - |
Former positions of Alex Chmelev
| Companies | Position | End |
|---|---|---|
Quintana Capital Group
 Quintana Capital Group Investment ManagersFinance Quintana Capital invests in companies located across the globe. The firm targets companies operating in a broad range of sectors and industries. It provides financing for LBOs, MBOs, buy and builds, joint ventures and growth capital requirements with an investment size between USD 10 - 125 million and total transaction size may exceed USD 500 million. It acquires controlling and minority interest. It also makes co-investments and takes a seat on the board of directors. | Private Equity Analyst | 2011-06-29 |
Quintana Capital Group
Quintana Capital Group Investment ManagersFinance Quintana Capital invests in companies located across the globe. The firm targets companies operating in a broad range of sectors and industries. It provides financing for LBOs, MBOs, buy and builds, joint ventures and growth capital requirements with an investment size between USD 10 - 125 million and total transaction size may exceed USD 500 million. It acquires controlling and minority interest. It also makes co-investments and takes a seat on the board of directors. | Private Equity Analyst | 2011-01-01 |
Simmons & Company International
 Simmons & Company International Investment Banks/BrokersFinance Provides brokerage services | Analyst-Equity | - |
Training of Alex Chmelev
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
92
1st degree connections
10
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 10 |
|---|---|
Simmons & Company International
Simmons & Company International Investment Banks/BrokersFinance Provides brokerage services | Finance |
Texas A&M University
 Texas A&M University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Quintana Capital Group
Quintana Capital Group Investment ManagersFinance Quintana Capital invests in companies located across the globe. The firm targets companies operating in a broad range of sectors and industries. It provides financing for LBOs, MBOs, buy and builds, joint ventures and growth capital requirements with an investment size between USD 10 - 125 million and total transaction size may exceed USD 500 million. It acquires controlling and minority interest. It also makes co-investments and takes a seat on the board of directors. | Finance |
GEC Advisors LLC
GEC Advisors LLC Investment ManagersFinance GEC Advisors invests in lower-middle market companies located across the globe primarily in North America. The firm targets companies operating in the fields of energy technology, software and service sectors. It provides financing in the form of equity and debt for growth and buyout stage capital requirements with an investment size of USD 10 - 100 million. It acquires controlling interest and also makes follow-on investments. | Finance |
Harvard Business School
 Harvard Business School Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Stage Completions, Inc.
Stage Completions, Inc. Oilfield Services/EquipmentIndustrial Services Manufactures fracturing systems | Industrial Services |
Cumulus Digital Systems, Inc.
Cumulus Digital Systems, Inc. Packaged SoftwareTechnology Services Develops operations and maintenance management platform | Technology Services |
Oilfield Labs of America LLC
Oilfield Labs of America LLC Miscellaneous Commercial ServicesCommercial Services Operates as a commercial analytical laboratory for the energy and water industries | Commercial Services |
Estis Compression LLC
Estis Compression LLC Wholesale DistributorsDistribution Services Sells, leases and installs compressor systems | Distribution Services |
SolarKal LLC
SolarKal LLC Internet Software/ServicesTechnology Services Offers commercial solar energy marketplace solutions to organizations | Technology Services |
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