Private Chess Coach
Current
Joshchess.Com
Provide private over-the-board and online coaching for all ages
2011 - Present
~15 yrs 6 mos
AeroLeads people directory · profile
Joshua Posthuma Email & Phone Number
International Chess Master
at
JoshChess.com
2 work emails found
@uschess.org
1 phone found area 616
LinkedIn matched
✓ Verified Jul 2026
4 data sources
Profile completeness 100%
Current company
JoshChess.com
Role
International Chess Master
Location
Farmington, Michigan, United States
Who is Joshua Posthuma? Overview
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Quick answer
Joshua Posthuma is listed as International Chess Master at JoshChess.com, based in Farmington, Michigan, United States. AeroLeads shows a work email signal at uschess.org, phone signal with area code 616, and a matched LinkedIn profile for Joshua Posthuma.
Joshua Posthuma previously worked as Private Chess Coach at Joshchess.Com and Chess Tournament Director at United States Chess Federation. Joshua Posthuma holds Entrepreneurship/Entrepreneurial Studies from Careerline Tech Center.
Company email context
Email format at JoshChess.com
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{first_initial}{last}@uschess.org
89% confidence
AeroLeads found 2 current-domain work email signals for Joshua Posthuma. Compare company email patterns before reaching out.
Profile bio
About Joshua Posthuma
I am a graduate of West Ottawa High School class of 2018, looking to expand my business as a chess instructor. I have over 6 years experience teaching chess to students of all ages.
Listed skills include Coaching and Customer Service.
Current workplace
Joshua Posthuma's current company
Company context helps verify the profile and gives searchers a useful next step.
Joshchess.Com
5 roles · 15 years
Joshua Posthuma work experience
A career timeline built from the work history available for this profile.
Chess Tournament Director
Current
United States Chess Federation
• 2018 Holland Junior Open, TD• 2017 Holland Junior Open, TD for rated sections• 2016 Jenison Christian internal tournament (unrated)
Mar 2016 - Present
Chess Coach
Jenison Christian Chess Club
•Co-led a 10 week after school program for grades 2-6•Developed lesson plans and taught chess to ~30 students
Jan 2016 - Mar 2018
Chess Coach
Holland Chess Academy
• Progressed from student to Assistant Coach to Coach in this Saturday educational program. (Top ranked player on the coaching staff)• Taught chess to ~30 students, grades K-12
2012 - 2018
~6 yrs
Sales Clerk
The Nutty Dutchman
• Sold fudge and ice cream at theme park• Responsible for closing the cash register and store
Apr 2015 - Oct 2017
2 education records
Joshua Posthuma education
Entrepreneurship/Entrepreneurial Studies
Careerline Tech Center
Education record
West Ottawa High School
FAQ
Frequently asked questions about Joshua Posthuma
Quick answers generated from the profile data available on this page.
What company does Joshua Posthuma work for?
Joshua Posthuma works for JoshChess.com.
What is Joshua Posthuma's role at JoshChess.com?
Joshua Posthuma is listed as International Chess Master at JoshChess.com.
What is Joshua Posthuma's email address?
AeroLeads has found 2 work email signals at @uschess.org for Joshua Posthuma at JoshChess.com.
What is Joshua Posthuma's phone number?
AeroLeads has found 1 phone signal(s) with area code 616 for Joshua Posthuma at JoshChess.com.
Where is Joshua Posthuma based?
Joshua Posthuma is based in Farmington, Michigan, United States while working with JoshChess.com.
What companies has Joshua Posthuma worked for?
Joshua Posthuma has worked for Joshchess.Com, United States Chess Federation, Jenison Christian Chess Club, Holland Chess Academy, and The Nutty Dutchman.
How can I contact Joshua Posthuma?
You can use AeroLeads to view verified contact signals for Joshua Posthuma at JoshChess.com, including work email, phone, and LinkedIn data when available.
What schools did Joshua Posthuma attend?
Joshua Posthuma holds Entrepreneurship/Entrepreneurial Studies from Careerline Tech Center.
What skills is Joshua Posthuma known for?
Joshua Posthuma is listed with skills including Coaching and Customer Service.
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