Career history of Mark A. Hellerstein
Former positions of Mark A. Hellerstein
| Companies | Position | Start | End |
|---|---|---|---|
| MDU RESOURCES GROUP, INC. | Director/Board Member | 31/07/2013 | 10/05/2021 |
| Independent Dir/Board Member | 31/07/2013 | 10/05/2021 | |
| Denver Children's Advocacy Center | Director/Board Member | 31/07/2006 | 30/11/2008 |
| Chairman | 31/07/2008 | 30/11/2011 | |
| SM ENERGY COMPANY | Director/Board Member | 31/12/1991 | 31/12/2001 |
| Chief Executive Officer | 31/12/1994 | 31/01/2007 | |
| Chairman | 31/12/2001 | 30/04/2009 | |
| Director of Finance/CFO | 31/12/1990 | 31/12/1991 | |
| Corporate Officer/Principal | 31/12/1990 | 31/12/1991 | |
| President | 31/12/1991 | 31/05/2006 | |
Transocean, Inc. /Old/
 Transocean, Inc. /Old/ Contract DrillingIndustrial Services Transocean, Inc. provides offshore contract drilling services for oil and gas wells. The company also provides integrated services. It operates through two segments, Transocean Drilling and TODCO. The Transocean Drilling segment consists of floaters, jackups and other rigs used in support of offshore drilling activities and offshore support services. The TODCO segment consisted of its interest in TODCO, which conducts jackup, drilling barge, land rig, submersible and other operations in the United States. Transocean, Inc. is based in Houston, Texas. | Director/Board Member | 06/12/2006 | 28/11/2007 |
Transocean, Inc.
 Transocean, Inc. Contract DrillingIndustrial Services Transocean, Inc. provides offshore contract drilling services for oil and gas wells. It offers engineering and project management services. The firm specializes in deepwater and harsh environment drilling solutions. The company was founded in 1953 and is headquartered in Houston, TX. | Director/Board Member | 30/11/2006 | 26/11/2007 |
Community Resources, Inc.
 Community Resources, Inc. Miscellaneous Commercial ServicesCommercial Services Community Resources, Inc. provides educational services. Its services include family development, crisis intervention, weatherization, housing, free income tax preparation, and employment and education. The company was founded in 1972 and is headquartered in Denver, CO. | Director/Board Member | 31/08/2013 | - |
American Golf Corp.
 American Golf Corp. Movies/EntertainmentConsumer Services American Golf Corp. operates golf clubs. It engages in the provision of tennis courts, swimming pools, fitness facilities, dining rooms and spas. The company was founded in 1969 and is headquartered in El Segundo, CA. | Director of Finance/CFO | - | - |
CoCa Mines, Inc.
 CoCa Mines, Inc. Precious MetalsNon-Energy Minerals CoCa Mines, Inc. provides mining services. It also offers gold mining services. The firm serves the mining and metal industry. The company was founded on September 29, 1983 and is headquartered in Coeur d'Alene, CO | Director of Finance/CFO | - | - |
Training of Mark A. Hellerstein
| The University of Colorado | Undergraduate Degree |
Statistics
International
| United States | 10 |
Operational
| Director/Board Member | 6 |
| Director of Finance/CFO | 3 |
| Chairman | 2 |
Sectoral
| Industrial Services | 3 |
| Consumer Services | 3 |
| Energy Minerals | 2 |
Positions held
Active
Inactive
Listed companies
Private companies
Linked companies
| Listed companies | 2 |
|---|---|
| SM ENERGY COMPANY | Energy Minerals |
| MDU RESOURCES GROUP, INC. | Utilities |
| Private companies | 6 |
|---|---|
Transocean, Inc. /Old/
Transocean, Inc. /Old/ Contract DrillingIndustrial Services Transocean, Inc. provides offshore contract drilling services for oil and gas wells. The company also provides integrated services. It operates through two segments, Transocean Drilling and TODCO. The Transocean Drilling segment consists of floaters, jackups and other rigs used in support of offshore drilling activities and offshore support services. The TODCO segment consisted of its interest in TODCO, which conducts jackup, drilling barge, land rig, submersible and other operations in the United States. Transocean, Inc. is based in Houston, Texas. | Industrial Services |
Transocean, Inc.
Transocean, Inc. Contract DrillingIndustrial Services Transocean, Inc. provides offshore contract drilling services for oil and gas wells. It offers engineering and project management services. The firm specializes in deepwater and harsh environment drilling solutions. The company was founded in 1953 and is headquartered in Houston, TX. | Industrial Services |
CoCa Mines, Inc.
CoCa Mines, Inc. Precious MetalsNon-Energy Minerals CoCa Mines, Inc. provides mining services. It also offers gold mining services. The firm serves the mining and metal industry. The company was founded on September 29, 1983 and is headquartered in Coeur d'Alene, CO | Non-Energy Minerals |
American Golf Corp.
American Golf Corp. Movies/EntertainmentConsumer Services American Golf Corp. operates golf clubs. It engages in the provision of tennis courts, swimming pools, fitness facilities, dining rooms and spas. The company was founded in 1969 and is headquartered in El Segundo, CA. | Consumer Services |
Community Resources, Inc.
Community Resources, Inc. Miscellaneous Commercial ServicesCommercial Services Community Resources, Inc. provides educational services. Its services include family development, crisis intervention, weatherization, housing, free income tax preparation, and employment and education. The company was founded in 1972 and is headquartered in Denver, CO. | Commercial Services |
| Denver Children's Advocacy Center |
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