Diana Siefferman

Diana Siefferman: Email & Phone Number

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Proposal Manager at Design Interactive|Pinehurst, Idaho, United States

Position:

Proposal Manager at Design Interactive

Location:

Pinehurst, Idaho, United States

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Last updated: 2026-05-29
Updated: 2026-05-29

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Work Experience 16 years

Proposal Manager at Design Interactive

Feb 2022 - Current

Freelance Proposal Creator at Astralis Design Inc.

Jan 2016 - Current

Proposal /Marketing Manager at VECA Electric & Technologies

Nov 2010 - Jan 2016

Diana Siefferman started working in 2010, then the employee has changed 2 companies and 2 jobs. On average, Diana Siefferman works for one company for 6 years 8 months.

Their professional focus is Adobe Creative Suite, Adobe Illustrator, and Adobe InDesign across 3 core areas.

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