AeroLeads people directory · profile
John Posthuma Email & Phone Number
Instructor at Careerline Tech Center
at
Careerline Tech Center
1 work email found
@juno.com
5 phones found area 616
LinkedIn matched
✓ Verified Jul 2026
4 data sources
Profile completeness 86%
Current company
Role
Instructor at Careerline Tech Center
Location
Allendale, Michigan, United States
Company size
Who is John Posthuma? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
John Posthuma is listed as Instructor at Careerline Tech Center at Careerline Tech Center, a with 93 employees, based in Allendale, Michigan, United States. AeroLeads shows a work email signal at juno.com, phone signal with area code 616, and a matched LinkedIn profile for John Posthuma.
John Posthuma previously worked as Instructor at Careerline Tech Center and Training Specialist at Kellogg Company.
Company email context
Email format at Careerline Tech Center
This section adds company-level context without repeating John Posthuma's masked contact details.
{first_initial}{last}@juno.com
86% confidence
AeroLeads found 1 current-domain work email signal for John Posthuma. Compare company email patterns before reaching out.
Profile bio
About John Posthuma
John Posthuma is a Instructor at Careerline Tech Center at Careerline Tech Center. He possess expertise in teaching, instructional design, nonprofits, editing, public speaking and 7 more skills.
Listed skills include Teaching, Instructional Design, Nonprofits, Editing, and 8 others.
Current workplace
John Posthuma's current company
Company context helps verify the profile and gives searchers a useful next step.
Careerline Tech Center
2 roles
John Posthuma work experience
A career timeline built from the work history available for this profile.
Training Specialist
Sep 1971 - Feb 1978
FAQ
Frequently asked questions about John Posthuma
Quick answers generated from the profile data available on this page.
What company does John Posthuma work for?
John Posthuma works for Careerline Tech Center.
What is John Posthuma's role at Careerline Tech Center?
John Posthuma is listed as Instructor at Careerline Tech Center at Careerline Tech Center.
What is John Posthuma's email address?
AeroLeads has found 1 work email signal at @juno.com for John Posthuma at Careerline Tech Center.
What is John Posthuma's phone number?
AeroLeads has found 5 phone signal(s) with area code 616 for John Posthuma at Careerline Tech Center.
Where is John Posthuma based?
John Posthuma is based in Allendale, Michigan, United States while working with Careerline Tech Center.
What companies has John Posthuma worked for?
John Posthuma has worked for Careerline Tech Center and Kellogg Company.
How can I contact John Posthuma?
You can use AeroLeads to view verified contact signals for John Posthuma at Careerline Tech Center, including work email, phone, and LinkedIn data when available.
What skills is John Posthuma known for?
John Posthuma is listed with skills including Teaching, Instructional Design, Nonprofits, Editing, Public Speaking, Teacher Training, Staff Development, and Art Direction.
Find 750M verified contacts
Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.
Start free trialPeople with similar names
Check these profiles if this is not the John Posthuma you were looking for.
View similar profiles
