John S. Diefendorf
Chief Tech/Sci/R&D Officer at Derflan, Inc.
Profile
John S.
Diefendorf is currently the Chief Technology Officer at Derflan, Inc. He previously worked as the Director-Information Technology at John Hancock Financial Services, Inc.
John S. Diefendorf active positions
| Companies | Position | Start |
|---|---|---|
Derflan, Inc.
 Derflan, Inc. Miscellaneous Commercial ServicesCommercial Services Derflan, Inc. is provides marketing consultation and project management services. The firm provides sales, technology services and business management services. The company was founded by Ellen E. Sova and Shanaz N. Diefendorf in 2007 and is headquartered in Westchester, IL. | Chief Tech/Sci/R&D Officer | - |
Former positions of John S. Diefendorf
| Companies | Position | End |
|---|---|---|
John Hancock Financial Services, Inc.
 John Hancock Financial Services, Inc. Life/Health InsuranceFinance John Hancock Financial Services, Inc. provides life insurance, wealth management and other investment solutions. Its products include annuities, mutual funds, long-term care, life insurance and college savings. The company was founded in 1862 and is headquartered in Boston, MA. | Chief Tech/Sci/R&D Officer | - |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 2 |
|---|---|
Derflan, Inc.
Derflan, Inc. Miscellaneous Commercial ServicesCommercial Services Derflan, Inc. is provides marketing consultation and project management services. The firm provides sales, technology services and business management services. The company was founded by Ellen E. Sova and Shanaz N. Diefendorf in 2007 and is headquartered in Westchester, IL. | Commercial Services |
John Hancock Financial Services, Inc.
John Hancock Financial Services, Inc. Life/Health InsuranceFinance John Hancock Financial Services, Inc. provides life insurance, wealth management and other investment solutions. Its products include annuities, mutual funds, long-term care, life insurance and college savings. The company was founded in 1862 and is headquartered in Boston, MA. | Finance |
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