Hellen Riegel

Hellen Riegel: Email & Phone Number

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Service Billing manager at energo|Queens, New York, United States

Position:

Service Billing manager at energo

Location:

Queens, New York, United States

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Last updated: 2026-07-11
Updated: 2026-07-11

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Work Experience 17 years

Service Billing manager at energo

Jun 2019 - Current

Administrative and Project Support Assistant at Marathon Energy Corp.

Jan 2014 - Jan 2018

Office Assistant at Technical Chamber of Greece

Jan 2011 - Jan 2014

Secretary at Court of Auditors of Dodecanese

Jan 2009 - Jan 2011

Hellen Riegel started working in 2009, then the employee has changed 3 companies and 3 jobs. On average, Hellen Riegel works for one company for 4 years.

Hellen is proficient in English and Greek. Their professional focus is Accounts Receivable (AR), Administrative Assistance, and Analytical Skills across 3 core areas.

Hellen holds New York State Notary Public certifications.

Education

Bachelor of Arts - BA at National & Kapodistrian University of Athens

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