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Sean Duncan Email & Phone Number

Management and Business Development at Marathon Sports
Location: Cambridge, Massachusetts, United States 14 work roles 2 schools
1 work email found @marathonsports.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email

Work email s****@marathonsports.com
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Current company
Role
Management and Business Development
Location
Cambridge, Massachusetts, United States
Company size

Who is Sean Duncan? Overview

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Quick answer

Sean Duncan is listed as Management and Business Development at Marathon Sports, a company with 309 employees, based in Cambridge, Massachusetts, United States. AeroLeads shows a work email signal at marathonsports.com and a matched LinkedIn profile for Sean Duncan.

Sean Duncan previously worked as Management & Business Development at Marathon Sports and Head Coach at Lincoln-Sudbury Regional High School. Sean Duncan holds Bachelors Of Science, Sports Management from University Of Massachusetts At Amherst - Isenberg School Of Management.

Company email context

Email format at Marathon Sports

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{first}.{last}@marathonsports.com
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AeroLeads found 1 current-domain work email signal for Sean Duncan. Compare company email patterns before reaching out.

Profile bio

About Sean Duncan

Athletics professional with a passion for fostering the transformative effect of teamwork and the positive impact athletics can have on personal development. A highly effective cross country, track and field, and performance coach. Multifaceted business professional with over fourteen years’ experience in organizational development, customer service, personnel, and event management. Strong work ethic and leadership commitment to a culture of synergy and belonging that maximizes organizational growth and success.

Current workplace

Sean Duncan's current company

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Marathon Sports
Marathon Sports
Management and Business Development
Cambridge, MA, US
Employees
309
AeroLeads page
14 roles

Sean Duncan work experience

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

Management & Business Development

Current

Providence, Rhode Island, United States

-Interview, hire, and train staff to provide exceptional customer service and exceed sales metrics-Oversee daily operations, scheduling, payroll, and inventory management of 4000+ sq ft retail space.-Develop, plan, organize, and market all Marathon Sports events in Rhode Island -8+ annual events including Providence ½ Marathon & IGT Downtown 5k -Over.

Feb 2024 - Present

Head Coach

Sudbury, MA

- Teach the L-S Athletics Curriculum- Communicate the vision for your program to athletes and parents- Schedule non-league meets for the program- Design & implement training for athletes ranging from elite to novice- Organize up to one-hundred and twenty athletes into training cohorts assigned to differentassistant coaches and different workout regimens.

Jul 2016 - Feb 2024

Director Of Athlete Development

Personal Training International

30 Sudbury Rd. Suite #2, Acton MA 01720

  • Expand all aspects of athlete development Program
  • Implement development program for youth athletes
  • Provide guidance and resources for clients to meet their goals.
  • Drive marketing and social media campaigns to ensure long term growth
  • Develop strategies to constantly improve the training experience.
Jun 2011 - Aug 2023

Assistant Trainer

Personal Training International

30 Sudbury Rd. Suite #2, Acton MA 01720

-Assisted in developing and applying individual strategies for clients to meet their fitness goals-Implemented a Grassroots Marketing Campaign to search for new clients-Learned and participated in the daily business activities of running a fitness studio

Jun 2009 - Jun 2011

Interim Head Coach

Boston, MA

- Facilitate a positive, inclusive, and equitable environment that enriches the student athlete experience- Impact improved academic, athletic, and personal development of student athletes- Coordinate team travel, meet scheduling, alumni relations, and other administrative duties- Organize and facilitate practices and meet preparation to enhance team.

Mar 2022 - Jun 2022

Director Of Operations, Cross Country + Track And Field

Amherst, MA

  • Assist with coaching and operations of Men’s and Women’s NCAA Division I program
  • Design balanced workout plans for a group of 15+ athletes, assisted with managing team of 70+
  • Generate and assist with managing scouting reports, databases, equipment, and other administrative tasks
Sep 2014 - Sep 2015

Assistant Track And Field Coach

Littleton Public Schools

Littleton, MA

-Organize daily practices and meets for 100+ Student Athletes-Coordinate fundraising efforts-Provide injury prevention and performance training for student athlete development-Work with school and community leaders to build and support a successful program

Mar 2012 - Jun 2014

Intern / Event Marketing & Management

Campuslive

-Developed Advertisement and sponsorship strategies for CampusLIVE events throughout the Northeast-Established and maintained new relationships with partnering organizations, students, campus officials, and the press-Developed and formulated business objectives and strategies to provide overall direction for CampusLIVE

Sep 2008 - Jan 2009

Corporate Marketing Intern

Shields Healthcare Group

-Assisted in Advertisement of patient services throughout Northeast-Played a role in Marketing and execution of Corporate Charity Golf Tournament; $50,000+ raised-Updated a competitive matrix of Massachusetts to streamline business efforts

May 2008 - Aug 2008

Office Assistant & Courier

Shields Mri (Leominster,Ma)

-General Office Skills, booking patients, and delivering Images to MD's across central MA

May 2008 - Jun 2008

Office Intern

Shields Mri (Worcester, Ma)

-Scheduled and Booked Patients-Maintained office organization and filing system

May 2007 - May 2008

Referee

-Level 9 certified Soccer Referee-Maintained fair play and execution of FIFA rules up to collegiate level soccer

May 2005 - Aug 2007
Team & coworkers

Colleagues at Marathon Sports

Other employees you can reach at marathonsports.com. View company contacts for 309 employees →

2 education records

Sean Duncan education

High School Diploma

Gardner High School

Activities and Societies: Student Council, Regional Student Council, Cross Country, Indoor/Outdoor Track, Epicurean Club, Debate Club.

FAQ

Frequently asked questions about Sean Duncan

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

What company does Sean Duncan work for?

Sean Duncan works for Marathon Sports.

What is Sean Duncan's role at Marathon Sports?

Sean Duncan is listed as Management and Business Development at Marathon Sports.

What is Sean Duncan's email address?

AeroLeads has found 1 work email signal at @marathonsports.com for Sean Duncan at Marathon Sports.

Where is Sean Duncan based?

Sean Duncan is based in Cambridge, Massachusetts, United States while working with Marathon Sports.

What companies has Sean Duncan worked for?

Sean Duncan has worked for Marathon Sports, Lincoln-Sudbury Regional High School, Personal Training International, Wentworth Institute Of Technology, and University Of Massachusetts Amherst.

Who are Sean Duncan's colleagues at Marathon Sports?

Sean Duncan's colleagues at Marathon Sports include Daniel Jiménez Bermúdez, Rivaldoraul Rodasrodriguez, Ronan Keane, Katie Lavoie, and Joel Sebastián Franco.

How can I contact Sean Duncan?

You can use AeroLeads to view verified contact signals for Sean Duncan at Marathon Sports, including work email, phone, and LinkedIn data when available.

What schools did Sean Duncan attend?

Sean Duncan holds Bachelors Of Science, Sports Management from University Of Massachusetts At Amherst - Isenberg School Of Management.

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