Matthew Seidner - Email & Phone Number

Senior Director, Integrated Media at Within

Matthew Seidner is based out of Glen Gardner, New Jersey, United States and works at Within as Senior Director, Integrated Media.

Matthew Seidner's Contact Information

Matthew Seidner's Work email

m*****@with***.co

Valid

Latest update

October 25, 2025

Location

Glen Gardner, New Jersey, United States

Matthew's current employer

Within

Description

WITHIN is the world's first Performance Branding company. We work with some of the top brands across the globe.

Website

within.co

HQ Location

Long Island City, New York, United States

Number of employees

51-200

Industry

Advertising Services

Latest update

April 30, 2024

Read about Within

Frequent questions about Matthew Seidner

What company is Matthew Seidner working for?

Matthew Seidner works for Within.

What is Matthew Seidner's function at Within?

Matthew Seidner is Senior Director, Integrated Media at Within.

Where is Matthew Seidner based?

Matthew Seidner is based out of Glen Gardner, New Jersey, United States.

What is Matthew Seidner's work email address?

Matthew Seidner's professional email address is m*****@with***.co

Who are Matthew Seidner's co-workers?

Matthew Seidner's colleagues are Joe Yakuel, Toni Santos, Emily-Anna Barba, Hillary Read, Nicole Muniz, Liza Levy, Joon Lee, Evan Vaughan, Andrew Rodenbach, Christopher Jurado, Stephanie Blair, Elizabeth Wood, Greg Gschwend, Zachary Connolly, Kirsten Samuelson, Nick Grainger, Colin Burke, Carla Donahue, Alexandra Arena, Dan Croop, Amanda Liu, Tushar Gupta, Erman Erkur, Tyler Horner, Josh Hansen, Cristián Meneses, Kimia Kalbasi, Ki-Hoon Chung, Alex Agahnia, David Schwartz, Nitcha Tothong, Chloe Mahalick, Annie Ling, Min Ji.

Matthew's co-workers

Joe Yakuel

Founder & CEO

Toni Santos

Recruiting Coordinator

Emily-Anna Barba

Operations Coordinator

Hillary Read

VP of Marketing

Nicole Muniz

Digital Marketing Project Coordinator

Liza Levy

Vice President Of Business Development 1800 Number

Director of Affiliate Marketing

Christopher Jurado

Integrated Media Director

Stephanie Blair

Head of Revenue

Elizabeth Wood

Director, Integrated Media

Greg Gschwend

Director, Integrated Media

Sr. Director of Integrated Media

Colin Burke

Director, Digital Media

Carla Donahue

Head of Lifecycle Marketing

Alexandra Arena

Creative Strategy Director

Dan Croop

Director, Search

Amanda Liu

Director, Integrated Media

Director, Integrated Media

Josh Hansen

Director, Paid Search

Cristián Meneses

Director Of Graphic Design

Kimia Kalbasi

Director of Influencer Marketing

Ki-Hoon Chung

Department Lead, Integrated Media

Lead Creative Technologist

Chloe Mahalick

Head of Influencer Marketing

Annie Ling

Director of Lifecycle Marketing

Min Ji

Client Success Lead

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