John Loonstra: Email & Phone Number

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Enterprise Account Executive at Celonis|Melbourne, Victoria, Australia

Position:

Enterprise Account Executive at Celonis

Location:

Melbourne, Victoria, Australia

View John Loonstra's Email

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Last updated: 2026-07-01

Updated: 2026-07-01

Found email addresses for John Loonstra:

Business emails:

j*******a@kefron.com,

j********a@celonis.com

Personal emails:

j**************1@gmail.com

Found phones for John Loonstra:

+61-400-***-*63,

+61-433-***-*95,

+61-424-***-*26,

+61-424-***-*86

A different John Loonstra?

Work Experience 9 years

Enterprise Account Executive at Celonis

Apr 2026 - Current

Enterprise Business Development Representative at Celonis

Apr 2024 - Apr 2026

Sales Development Representative at Kefron

Jun 2023 - Dec 2023

Head of House at St John's Regional College

Mar 2021 - Dec 2022

Digital Learning Coach at St John's Regional College

Jan 2020 - Dec 2022

Teacher at St John's Regional College

Jan 2017 - Dec 2022

Examiner at Victorian Curriculum and Assessment Authority

Nov 2020 - Dec 2021

Their professional focus is Account Executives, Business-to-Business (B2B), and Business Development across 3 core areas.

Education

Graduate Diploma at Australian Catholic University

Bachelor's degree at Deakin University

Frequently Asked Questions

What is John Loonstra's email address?

SignalHire found verified email addresses for John Loonstra, both business and personal. Their business email is j*******a@kefron.com, and personal emails include j**************1@gmail.com.

What is John Loonstra's phone number?

SignalHire found multiple verified phone numbers for John Loonstra: +61-400-***-*63, +61-433-***-*95, and +61-424-***-*26.

How do I contact John Loonstra at Celonis?

You can reach John Loonstra through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is John Loonstra's professional background?

John Loonstra has 9 years of professional experience. They have held roles including Enterprise Business Development Representative, Sales Development Representative, and Head of House at companies such as Celonis, Kefron, and St John's Regional College. Their education includes Graduate Diploma from Australian Catholic University, and Bachelor's degree from Deakin University.

Is John Loonstra's contact information up to date?

Yes. John Loonstra's SignalHire profile was last updated on 1 July 2026, reflecting their current position as Enterprise Account Executive at Celonis in New York City, New York, United States.

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