Mark Costello: Email & Phone Number

Opt-Out

Retirement Assistant at Conrad Siegel|Greater Harrisburg Area, United States

Position:

Retirement Assistant at Conrad Siegel

Location:

Greater Harrisburg Area, United States

View Mark Costello's Email

Up to 10 free lookups. No credit card required.

Last updated: 2026-06-10

Updated: 2026-06-10

Found email addresses for Mark Costello:

Business emails:

m*******o@nccspa.org

Personal emails:

c******o@lvc.edu

Found phone for Mark Costello:

+1-***-***-2055

A different Mark Costello?

Work Experience 22 years

Retirement Assistant at Conrad Siegel

Feb 2026 - Current

Assistant Football Coach at Lebanon High School

Aug 2025 - Current

Business Owner at Cos Camps, LLC

Mar 2021 - Current

8th Grade Tech Ed (STEM) Teacher at Lebanon School District, Lebanon PA

Aug 2025 - Feb 2026

HS/MS PE Teacher, MS Math Teacher at NEW COVENANT CHRISTIAN SCHOOL

Aug 2021 - Jul 2025

Assistant Football Coach at Lower Dauphin High School

Aug 2021 - Jul 2025

Assistant Football Coach - Offensive Coordinator at Lebanon Valley College

Aug 2004 - Jul 2021

Mark Costello started working in 2004, then the employee has changed 6 companies and 5 jobs. On average, Mark Costello works for one company for 4 years 7 months.

Education

Bachelor's Degree at Susquehanna University

Mark Costello Namesakes

Name

Company

Position

Mark Costello

Florida Power & Light

Real Time Power Trader

Get contacts

Mark Costello

Dentons

Global Managing Director

Get contacts

Mark Costello

INTEGRAL CONTRACTING, INC

Owner

Get contacts

See more profiles

Similar profiles

Name

Company

Position

Kristen Tuell

Nevada Public Employees Retirement System

Retirement Assistant

Get contacts

Jennifer Schallhorn

Milwaukee County

Retirement Assistant

Get contacts

See more profiles

Other employees at Conrad Siegel

Name

Company

Position

Ryan Sullivan

Conrad Siegel

Investment Intern — Wealth Management

Get contacts

Autumn Weaver

Conrad Siegel

Actuarial Analyst

Get contacts

Brian Graff

Conrad Siegel

Retirement Education Consultant

Get contacts

Lauryn Schade

Conrad Siegel

Actuarial Analyst

Get contacts

Justin Gagliardo

Conrad Siegel

Actuarial Analyst

Get contacts

Krista Mamet

Conrad Siegel

Actuary

Get contacts

Benjamin Segal

Conrad Siegel

Client Relations Specialist

Get contacts

Mark Bonsall

Conrad Siegel

Partner and Consulting Actuary

Get contacts

Ezekiel Bugda

Conrad Siegel

Actuarial Analyst

Get contacts

Abigail Leight

Conrad Siegel

Actuarial Analyst

Get contacts

See more profiles

Data Privacy

GDPR COMPLIANT

SignalHire complies with the General Data Protection Regulation (GDPR). SignalHire follows GDPR requirements, including but not limited to rights of data subjects to access, correct, or delete their personal information and supports the right to be forgotten.

CCPA COMPLIANT

SignalHire is CCPA-compliant and provides California residents the right to know, access, opt out, and request deletion of their personal data.