Ari Holsten
AeroLeads people directory · profile

Ari Holsten Email & Phone Number

Mathematics Teacher and Department Leader at The Columbus School
Location: Randolph, New Jersey, United States 10 work roles 5 schools
LinkedIn matched
✓ Verified May 2026 3 data sources Profile completeness 86%

Contact Signals

LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
The Columbus School
Role
Mathematics Teacher and Department Leader
Location
Randolph, New Jersey, United States
Company size
247 employees

Who is Ari Holsten? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

Ari Holsten is listed as Mathematics Teacher and Department Leader at The Columbus School, a company with 247 employees, based in Randolph, New Jersey, United States. AeroLeads shows a matched LinkedIn profile for Ari Holsten.

Ari Holsten previously worked as Mathematics Teacher & Department Leader at The Columbus School and Special Education Teacher & Team Leader at Hunter'S Point Community Middle School. Ari Holsten holds Master Of Education - Med, Teaching Urban Adolescents With Disabilities from Long Island University.

Company email context

Email format at The Columbus School

This section adds company-level context without repeating Ari Holsten's masked contact details.

The Columbus School

Review company-level records connected to Ari Holsten before choosing the right outreach path.

View email format View company profile Management contacts
Profile bio

About Ari Holsten

I have ten years of experience in teaching mathematics and leading teams of educators in diverse and inclusive settings. My core competencies include team building facilitation, teacher mentoring, and conflict resolution. I am passionate about creating engaging and rigorous learning experiences for students and supporting teachers' professional growth and development. I currently work as a Mathematics Teacher and Department Leader at The Columbus School, a progressive and innovative school that fosters academic excellence, creativity, and global citizenship.In my current role, I plan and implement daily mathematics lessons to four classes of 25 students, using a variety of instructional strategies and assessment tools. I also organize and facilitate weekly department meetings for a team of six teachers, where we share best practices, review data, and collaborate on curriculum design and alignment. Additionally, I analyze and monitor weekly behavior and academic data for 100 students, and provide feedback and interventions to address their needs and goals. Furthermore, I collaborate with the Teacher Leadership Team to plan whole school initiatives, such as professional development workshops, parent-teacher conferences, and community events. Through these activities, I leverage my skills in team building facilitation, teacher mentoring, and conflict resolution to create a positive and productive learning environment for students and staff.

Current workplace

Ari Holsten's current company

Company context helps verify the profile and gives searchers a useful next step.

The Columbus School
The Columbus School
Mathematics Teacher and Department Leader
Randolph, NJ, US
Website
columbus.edu.co
Employees
247
AeroLeads page
Company profile
View company profile Email format
10 roles

Ari Holsten work experience

A career timeline built from the work history available for this profile.

Mathematics Teacher & Department Leader

Current
The Columbus School

Medellín, Antioquia, Colombia

- Plan and implement daily mathematics lessons to four classes of 25 students- Organize and facilitate weekly department meetings for a team of six teachers - Analyze and monitor weekly behavior and academic data for 100 students- Collaborate with the Teacher Leadership Team to plan whole school initiatives

Jul 2022 - Present

Teaching Fellow

Citizen Schools

East Harlem, NY

  • Plan and implement math intervention daily lesson plans for a classroom of 23 students
  • Provide daily guided reading support to a group of 12 students with the lowest reading scores
  • Recruit 12 citizen teachers per semester to teach after-school apprenticeships that focus on a variety of 21st century skills
  • Lead weekly debrief sessions with citizen teachers to discuss program difficulties and provide additional support for future sessions
  • Completing 1,700 hours of service with a diverse team of AmeriCorps members
Jul 2014 - Jun 2015

Corps Member

City Year

Baton Rouge, LA

  • Mentored and tutored 6th grade students in an under-performing school
  • Founded Men’s Capitol C.O.R.P.; a boys group focused on mentoring at risk male students
  • Planned and implemented Cougar Corps; an after-school homework help and enrichment program
  • Collected and analyzed data weekly to create innovative lesson plans and monitor student progress
  • Served on the MLK Logistics Committee; planned and executed a day of service that drew 1,200 volunteers
  • Completed 1,700 hours of service with a diverse team of AmeriCorps members
Jul 2013 - May 2014

Recruitment Intern

Urban Teacher Center

Washington, D.C.

  • Researched and analyzed potential partner schools for upcoming school year
  • Facilitated multiple recruitment events including career fairs and interview days
  • Established a foundation for the “Life After UTC” Alumni Program
  • Assist with residency recruitment and site team strategizing
Jan 2013 - May 2013

Challenge Course Facilitator

Maryland Adventure Program

College Park, MD

  • Planned and led group dynamic activities on the high and low ropes courses
  • Belayed climbers of all ages on the rock wall and Alpine Tower
Jan 2010 - May 2013

Paralegal Services Intern

Snitow Kanfer Holtzer & Millus Llp

New York, NY

  • Hand delivered legal documents to courts, clients, and law firms
  • Observed New York City Family Court hearings
May 2011 - Jun 2011
Team & coworkers

Colleagues at The Columbus School

Other employees you can reach at columbus.edu.co. View company contacts for 247 employees →

NV Natalia Vélez Natalia Vélez Colleague at The Columbus School Antioquia, Colombia, Colombia View → JM Jason Mendez Jason Mendez Colleague at The Columbus School Medellín, Antioquia, Colombia, Colombia View → MA Miguel Arango Miguel Arango Colleague at The Columbus School Colombia, Colombia View → SG Sebastian Guerra Sebastian Guerra Colleague at The Columbus School Medellín Metropolitan Area, Colombia View → ML Maria Luisa Molina Moreno Maria Luisa Molina Moreno Colleague at The Columbus School Medellín, Antioquia, Colombia, Colombia View → EO Estefany Orrego Gomez Estefany Orrego Gomez Colleague at The Columbus School Medellín, Antioquia, Colombia, Colombia View → JB James Bandura James Bandura Colleague at The Columbus School Medellín, Antioquia, Colombia, Colombia View → DC Daniela Castaño Daniela Castaño Colleague at The Columbus School Medellín, Antioquia, Colombia, Colombia View → SG Sebastian García Sebastian García Colleague at The Columbus School Medellín, Antioquia, Colombia, Colombia View → JM Jorge Mario Angel Angel Jorge Mario Angel Angel Colleague at The Columbus School Medellín, Antioquia, Colombia, Colombia View →
5 education records

Ari Holsten education

Minor, Jewish/Judaic Studies

University Of Maryland - Meyerhoff Center For Jewish Studies

Education record

Solomon Schechter School Of Westchester

Activities and Societies: Varsity Captain, Men's Soccer Team / Varsity Captain, Track and Field

FAQ

Frequently asked questions about Ari Holsten

Quick answers generated from the profile data available on this page.

What company does Ari Holsten work for?

Ari Holsten works for The Columbus School.

What is Ari Holsten's role at The Columbus School?

Ari Holsten is listed as Mathematics Teacher and Department Leader at The Columbus School.

Where is Ari Holsten based?

Ari Holsten is based in Randolph, New Jersey, United States while working with The Columbus School.

What companies has Ari Holsten worked for?

Ari Holsten has worked for The Columbus School, Hunter'S Point Community Middle School, Nyc Department Of Education, City Year New York, and Citizen Schools.

Who are Ari Holsten's colleagues at The Columbus School?

Ari Holsten's colleagues at The Columbus School include Natalia Vélez, Jason Mendez, Miguel Arango, Sebastian Guerra, and Maria Luisa Molina Moreno.

How can I contact Ari Holsten?

You can use AeroLeads to view verified contact signals for Ari Holsten at The Columbus School, including work email, phone, and LinkedIn data when available.

What schools did Ari Holsten attend?

Ari Holsten holds Master Of Education - Med, Teaching Urban Adolescents With Disabilities from Long Island University.

Find 750M verified contacts

Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.

People with similar names

Check these profiles if this is not the Ari Holsten you were looking for.

View similar profiles