David Sun: Email & Phone Number

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Application Support Engineer I at Alegeus|Greater Boston, United States

Position:

Application Support Engineer I at Alegeus

Location:

Greater Boston, United States

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Last updated: 2026-07-17

Updated: 2026-07-17

Found email addresses for David Sun:

Business emails:

d**n@underarmour.com,

d*******n@alegeus.com

Personal emails:

d******9@yahoo.com,

d*******n@uml.edu

Found phones for David Sun:

+1-623-***-**52,

+1-909-***-**51,

+1-520-***-**47,

+1-623-***-**42

A different David Sun?

Work Experience 12 years

Application Support Engineer I at Alegeus

Sep 2025 - Current

Boomi Developer - Student Employee at University of Massachusetts Lowell

Jun 2022 - Jun 2025

Seasonal Sales Teammate at Under Armour

Nov 2021 - Jan 2022

English Teacher at 權慧資優教育 Champ Whale

Jul 2019 - Apr 2020

Personal Trainer at Freelance Personal Training

Apr 2017 - Sep 2019

Certified Personal Trainer at 健身工廠 Fitness Factory

Aug 2016 - Apr 2017

Swim Instructor at Burlingame Aquatic Club

Feb 2016 - May 2016

Lifeguard at Burlingame Aquatic Club

Nov 2015 - May 2016

Designer at emReal-Corp.com

Jun 2015 - Mar 2016

Industrial Design Intern at emReal-Corp.com

Jun 2014 - Aug 2014

David Sun started working in 2014, then the employee has changed 7 companies and 9 jobs. On average, David Sun works for one company for 11 months.

David is proficient in English and Mandarin Chinese. Their professional focus is 3D Modeling, Algorithms, and API across 3 core areas.

David holds OSHA 10-Hour, Social & Behavioral Research, and Programming for Everybody (Getting Started with Python) certifications and has been awarded Certificate of Appreciation, Merit List: Fall 2021, and Dean's List: Spring 2021

Education

Bachelor of Science - BS at University of Massachusetts Lowell

Bunker Hill CC

Bachelor of Fine Arts (BFA) at California College of the Arts

Frequently Asked Questions

What is David Sun's email address?

SignalHire found verified email addresses for David Sun, both business and personal. Their business email is d**n@underarmour.com, and personal emails include d******9@yahoo.com, and d*******n@uml.edu.

What is David Sun's phone number?

SignalHire found multiple verified phone numbers for David Sun: +1-623-***-**52, +1-909-***-**51, and +1-520-***-**47.

How do I contact David Sun at Alegeus?

You can reach David Sun 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 David Sun's professional background?

David Sun has 12 years of professional experience. They have held roles including Boomi Developer - Student Employee, Seasonal Sales Teammate, and English Teacher at companies such as University of Massachusetts Lowell, Under Armour, and 權慧資優教育 Champ Whale. Their education includes Bachelor of Science - BS from University of Massachusetts Lowell, and Bunker Hill CC.

Is David Sun's contact information up to date?

Yes. David Sun's SignalHire profile was last updated on 17 July 2026, reflecting their current position as Application Support Engineer I at Alegeus in Boston, Massachusetts, United States.

David Sun Namesakes

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David Sun

Jinan Victory Instrument Co., Ltd

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David Sun

Clemenger BBDO

Senior Client Accountant

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David Sun

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