Sylvia Costelloe - Email & Phone Number

Business Manager Terminal 4 JFK at Hallmark Aviation

Sylvia Costelloe is based out of Queens County, New York, United States and works at Hallmark Aviation as Business Manager Terminal 4 JFK.

Sylvia Costelloe's Contact Information

Sylvia Costelloe's Work email

s*****@hallma***.com

Valid

Latest update

October 11, 2025

Location

Queens County, New York, United States

Sylvia's current employer

Hallmark Aviation

Description

Hallmark Aviation Services has earned a reputation for providing above-the-wing ground handling services for some of the world’s leading ...

Website

hallmark-aviation.com

HQ Location

Los Angeles, California, United States

Number of employees

1001-5000

Industry

Airlines And Aviation

Latest update

May 1, 2024

Read about Hallmark Aviation

Frequent questions about Sylvia Costelloe

What company is Sylvia Costelloe working for?

Sylvia Costelloe works for Hallmark Aviation.

What is Sylvia Costelloe's function at Hallmark Aviation?

Sylvia Costelloe is Business Manager Terminal 4 JFK at Hallmark Aviation.

Where is Sylvia Costelloe based?

Sylvia Costelloe is based out of Queens County, New York, United States.

What is Sylvia Costelloe's work email address?

Sylvia Costelloe's professional email address is s*****@hallma***.com

Who are Sylvia Costelloe's co-workers?

Sylvia Costelloe's colleagues are Pengcharoen Tanitsorn, Gomez Steven, Adenilto Simoes, Manuel Rios, Kenneth Pierce, Sam Saadi, Varoth Changthong, Deyzhane Hughes, Charles Chua, Christopher Cook, Cecilia Yan, Angelica Palce, Han Houts, Kalia Mokulehua, Anthony Choi, Heba Yossri, Mei-Ling McCann, Akenese Tuala, YungTing Yang, Anna Torres, Alexander Morataya, Yesenia Navarro, Sara Jalali, Ailin Pan, Christian Lira, Ebru Ulengin, Sai Sinn, Louie Emasa, Paul Boyd, Spouney Paul, Kiyomi Motonishi, Nancy Gomez, Rachel Lo, Mikaylah Cayanan, Monica Vittorini.

Sylvia's co-workers

Pengcharoen Tanitsorn

Senior Vice President - Commercial

Manuel Rios

Operations Coordinator

Kenneth Pierce

Senior Vice President

Sam Saadi

Director of Sales and Marketing

Varoth Changthong

Director Of Cash Management and Internal Controls

Deyzhane Hughes

Airport Customer Service, Gate & Ticket Agent

Charles Chua

Passenger Service Supervisor - Lufthansa German Airlines

Christopher Cook

CUSTOMER SERVICE AGENT

Cecilia Yan

Customer Service Business Manager

Angelica Palce

Airline Business Manager

Han Houts

Customer Service Agent

Kalia Mokulehua

Airport Operations Supervisor

Anthony Choi

Airline Customer Service Representative

Heba Yossri

Senior Customer Service Agent

Mei-Ling McCann

Customer Service Representative

Akenese Tuala

Customer Service Representative

YungTing Yang

Customer Services Agent

Anna Torres

Customer Service Agent

Alexander Morataya

Customer Service Representative

Yesenia Navarro

Human Resources Benefits Administrator

Sara Jalali

Account Manager

Ailin Pan

Customer Service Representative

Christian Lira

Customer Service Agent

Ebru Ulengin

Load control

Sai Sinn

Customer Service Representative Supervisor

Louie Emasa

Customer Service Representative

Paul Boyd

Corporate Safety Manager

Spouney Paul

Operations Manager

Kiyomi Motonishi

Customer Service Representative

Nancy Gomez

Customer Service Agent

Rachel Lo

Customer Service Officer

Mikaylah Cayanan

Customer Service Agent

Monica Vittorini

Customer Service Manager

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