Jayden Johnstone: Email & Phone Number

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Chief Executive Officer at Stone Science Fitness|New Haven, Connecticut, United States

Position:

Chief Executive Officer at Stone Science Fitness

Location:

New Haven, Connecticut, United States

View Jayden Johnstone's Email

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Last updated: 2026-07-06

Updated: 2026-07-06

Found email addresses for Jayden Johnstone:

Business emails:

j**************e@grandslamtutoring.com,

j**************e@stonesciencefit.com

Personal emails:

j**************e@yale.edu

Found phones for Jayden Johnstone:

+1-323-***-**90,

+1-623-***-**18,

+1-480-***-**55

A different Jayden Johnstone?

Work Experience 5 years

Chief Executive Officer at Stone Science Fitness

Aug 2025 - Current

Head of Communications at Grand Slam Tutoring

Jan 2025 - Current

Co-Founder at Grand Slam Tutoring

Jan 2025 - Current

Head of Sales Marketing at Grand Slam Tutoring

Jan 2025 - Current

Healthcare Sector Leader at BlackGen Capital

Oct 2024 - Current

Healthcare Analyst at BlackGen Capital

Oct 2024 - Current

Fellow at Yale Entrepreneurial Society

Sep 2024 - Current

Youth Leadership Fellow and Key Speaker at Broadway Housing Communities

Apr 2021 - Current

Social Media Manager at Yale Men's Rugby

Dec 2024 - Current

Tutor at Bookend Tutoring

Nov 2024 - Current

Student Aide at Hunter College High School

Jan 2022 - Jan 2022

Mentor in Training at EarthWalk Vermont

Aug 2021 - Aug 2021

Jayden Johnstone started working in 2021, then the employee has changed 8 companies and 11 jobs. On average, Jayden Johnstone works for one company for 1 year 7 months.

Their professional focus is Business Development, Business Strategy, and Concept Art across 3 core areas.

Education

Bachelor's of Science, Biomedical Engineering at Yale University

Hunter College High School

Frequently Asked Questions

What is Jayden Johnstone's email address?

SignalHire found verified email addresses for Jayden Johnstone, both business and personal. Their business email is j**************e@grandslamtutoring.com, and personal emails include j**************e@yale.edu.

What is Jayden Johnstone's phone number?

SignalHire found multiple verified phone numbers for Jayden Johnstone: +1-323-***-**90, +1-623-***-**18, and +1-480-***-**55.

How do I contact Jayden Johnstone at Stone Science Fitness?

You can reach Jayden Johnstone 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 Jayden Johnstone's professional background?

Jayden Johnstone has 5 years of professional experience. They have held roles including Head of Communications, Co-Founder, and Head of Sales Marketing at companies such as Grand Slam Tutoring, Grand Slam Tutoring, and Grand Slam Tutoring. Their education includes Bachelor's of Science, Biomedical Engineering from Yale University, and Hunter College High School.

Is Jayden Johnstone's contact information up to date?

Yes. Jayden Johnstone's SignalHire profile was last updated on 6 July 2026, reflecting their current position as Chief Executive Officer at Stone Science Fitness.

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