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Front Office Directory

Seattle Mariners
T-Mobile Park
1250 First Avenue South
Seattle, WA 98134

(206) 346-4001 | [email protected]

Board of Directors

Title Name
Chairman and Managing Partner John Stanton
Board Member John Ellis
Board Member Buck Ferguson
Board Member Chris Larson
Board Member Howard Lincoln
Board Member Jeff Raikes
Board Member Frank Shrontz


Title Name
President & Chief Executive Officer Kevin Mather
Chairman Emeritus John Ellis
Chairman Emeritus Howard Lincoln
Executive Vice President and Chief Financial Officer Tim Kornegay
Executive Vice President and General Counsel Fred Rivera
Executive Vice President and General Manager Jerry Dipoto
Senior Vice President & Special Advisor to the Chairman and CEO Randy Adamack
Senior Vice President - Ballpark Events & Operations Trevor Gooby
Senior Vice President - Marketing & Communications Kevin Martinez
Senior Vice President - Sales Frances Traisman
Senior Vice President of People and Culture Lisa Winsby
Vice President - Scouting Tom Allison
Vice President Partnerships & Community Relations Joe Chard
Vice President - Information Services David Curry
Vice President - Communications Tim Hevly
Vice President - Finance Greg Massey
Vice President - Marketing Gregg Greene
Vice President - Ticket Operations & Event Services Malcolm Rogel
Vice President, Ticket Sales & Service Cory Carbary
Executive Assistant - Chairman, President & Ownership Teresa Dugger

Ballpark Events and Operations

Title Name
Senior Vice President - Ballpark Events & Operations Trevor Gooby
Project Coordinator - Construction and Planning PJ Callahan
Senior Director - Event Sales Alisia Anderson
Director - Ballpark Services Juan Rodriguez-Velez
Director - Security Jessica Reid-Bateman
Director of Facilities Dave Wilke
Assistant Director - Guest Experience Melissa Leung
Senior Manager, Ballpark Operations Ashley Gormley
Ballpark Operations Manager Kelsey Smith
Account Executive Event Sales Zoe Yentzer
Events Sales & Tour Coordinator Sara Buchanan
Events Assistant Vreni Hutt
Senior Coordinator - Guest Experience Michael McGuire
Manager, Facilities Wendy Walz
Guest Services Manager Joseph Ralston
Coordinator - Guest Experience Rachel Goodman
Coordinator - Ballpark Operations Devin Burns
Coordinator, Facilities Kamillah Najieb
Senior Manager - Security Erik Hackmann
Head Groundskeeper Bob Christofferson
Assistant Head Groundskeeper Tim Wilson
Building Electrician Paul Fuller
Roof and Building Electrician Josh Dreyer
Building Plumber Kenny Stanton
Building Plumber Jamie Whittaker
Building Painter Shelton Schneider
Roof Operations Vance Akres
Roof Operations Rob Wolford
Maintenance Specialist Chris Corsi
Maintenance Specialist Jeromey Campbell
Maintenance Specialist Dave Randolph
General Maintenance Technician Brenden Campbell
General Maintenance Technician Stephen Neely
HVAC Technician Steve Monson
HVAC Technician Ty Garceau
HVAC Technician Trevor Anderson
HVAC Technician Justin Lanier
Concrete Technician Christopher McDaniels
Security Bob Averill
Security Brittany Tomlin
Security Frank Diss
Security Ed Mumphrey
Security Zac Price
Security Louis Newsom
Security Angel Diaz
Security Rick Sheridan
Security Nathaniel Mitchell
Security Brittany Tomlin
Security Eric Groover
Front Office Receptionist Caroline Koehler
Receptionist Ede Fitch
Receptionist Cheryl Gilbert

Baseball Operations

Title Name
Executive Vice President & General Manager - Baseball Operations Jerry Dipoto
Vice President & Assistant General Manager - Baseball Operations Justin Hollander
Assistant General Manager Joe Bohringer
Special Consultant to the Franchise Ken Griffey Jr.
Special Assistant to the Chairman Ichiro Suzuki
Organizational Hitting Advisor Edgar Martinez
Special Assistant to the GM Roger Hansen
Special Assistant to the GM Tom McNamara
Vice President - Scouting Tom Allison
Director - Amateur Scouting Scott Hunter
Director - Player Development Andy McKay
Director - International Amateur Scouting Frankie Thon Jr.
Director - Major League Operations Jack Mosimann
Director - Baseball Analytics Jesse Smith
Director - Strength and Conditioning James Clifford
Player Personnel Manager Brendan Domaracki
Player Personnel Manager Jason Karegeannes
Player Personnel Manager Emanuel Sifuentes
Manager - Baseball Operations Tim Stanton
Manager - Analytics Joel Firman
Baseball Operations Data Strategist Skylar Shibayama
Project Manager - Baseball Operations David Hesslink
Coordinator - Analytics John Choiniere
Coordinator - Player Development Mat Snider
Coordinator - Special Projects International Ted Heid
Coordinator - International Scouting Andrew Herrera
Coordinator - Advance Scouting Frankie Piliere
Coordinator - Amateur Scouting Ty Bowman
Assistant, Scouting Austin Yamada
Quantitative Analyst Emily Curtis
Quantitative Analyst Forrest Diamond
Quantitative Analyst Spencer Weisberg
Video Coordinator Patrick Hafner
Major League Coaching Assistant Andy Bissell
Administrator - Player Development Jan Plein
Medical Director E. Edward Khalfayan, M.D.
Team Physician Timothy Johnson, M.D.
Head Athletic Trainer Kyle Torgerson
Senior Athletic Trainer Rob Nodine
Assistant Athletic Trainer Matt Toth
Physical Therapist Ryan Bitzel
Athletic Trainer Emeritus Rick Griffin
Assistant Strength and Conditioning Coach Derek Cantieni
High Performance Assistant Anthony Ortiz
Home Clubhouse Manager Ryan Stiles
Assistant Clubhouse Manager Billy Sepich
Clubhouse Assistant Pete Fortune
Clubhouse Staff Chris DeWitt, Joe Van Vleck
Visiting Clubhouse Manager Jeff Bopp


Title Name
Vice President - Finance Greg Massey
Director - Internal Audit Operations Connie McKay
Director, Financial Planning & Analysis Waiman Lam
Controller Monica Marmolejo
Vault Manager/Senior Accountant Terry Jemtegaard
Senior Accountant Erica Bricker
Sr. Accountant, Finance James Hyman
Accounts Payable Supervisor Danny Cifaldi

Human Resources

Title Name
Senior Vice President of People and Culture Lisa Winsby
Sr. Director, People and Culture Brooke Sullivan
Director - Payroll Ginger Oldham
Senior Manager, Project Management Tami Tomsic
Manager - Workers Compensation and Liability Therese Baxter
Manager - Benefits Tara Lindsay
Human Resources Manager Natalie Blackburn
Analyst, Human Resources Michelle Merrill
Coordinator, Scheduling Barb Hackmann
Coordinator, Team Member Experience Ngoc Do
Recruiter Coordinator Ricky Luna
Human Resources Assistant Sue Bragg
Special Assistant, Community Liaison Andy Bottin

Information Services

Title Name
Vice President - Information Services David Curry
Director - Information Systems Oliver Roy
Director - Database and Applications Justin Stolmeier
Manager, Software Architecture Michelle Separovich
Senior Systems Administrator Josh Wittmier
Senior Developer Lyle Hazle
Senior Developer Cary Pruitt
Developers Dexter Closterman
Manager - Audio and Video Engineering Yezmin Blue
Database Development Analyst Liza Teichler
Video Maintenance Technician Scott Thomas
IT Support Specialist Davontae Glenn
Technical Support Specialist Jacob Reim

Legal and Governmental Affairs/Community Relations

Title Name
Vice President - Corporate Business and Community Relations Joe Chard
Deputy General Counsel Melissa Robertson
Senior Director - Community Relations Gina Hasson
Manager - Community Programs Sean Grindley
Coordinator - Community Services Demetrius Grant
Coordinator - Community and Client Services Korey Traynor
Community Relations & On BASE Programs Coordinator McKenzie Mitchell

Marketing & Communications

Title Name
Senior Vice President, Marketing & Communications Kevin Martinez
Vice President, Communications Tim Hevly
Vice President, Marketing Gregg Greene
Senior Director - Mariners Productions Ben Mertens
Senior Director, Public Information Rebecca Hale
Director - Graphic Design Carl Morton
Director - Marketing Mandy Lincoln
Senior Manager - Baseball Information Kelly Munro
Senior Manager - Marketing Camden Finney
Senior Manager - Productions Olav Nossum
Manager - Graphic Design Katie Abram
Manager - Video Operations Eric Vaughn
Video Editor Spencer Vik
Manager - Baseball Information Ryan Hueter
Manager - Marketing Tyler Thompson
Coordinator - Broadcasting/Marketing Carissa Hunt
Coordinator - Marketing Kalli Rutherford
Social Media Coordinator Jose Rivera
Baseball Information Coordinator Adam Gresch
Baseball Information Coordinator Ian Kraft
Digital Content Specialist Andy Menarchek
Video Editor Daniel Oleskowicz
Motion Graphics Designer Sam Findlay
Digital Graphic Designer Trevor Milless
Public Address Announcer Tom Hutyler
Mascot Coordinator John Behrle
Executive Producer/Engineer Gary Hill
Radio/TV Broadcaster Rick Rizzs
Radio/TV Broadcaster Aaron Goldsmith
Radio/TV Broadcaster Dave Sims
Radio/TV Broadcaster Mike Blowers
Team Photographer Ben VanHouten
Television Director Jim Armintrout


Title Name
Senior Director - Retail Operations Julie McGillivray
Director - Retail Merchandising Renee Steyh
Director - Retail Stores Mary Beeman
Senior Manager, Distribution Center Jordan Seiber
Manager - Game Used and Memorabilia Senior Buyer Shawn Wert
Manager - T-Mobile Park Team Store Kelly Walsh
Manager - Team Store Donald Darnbrough
Manager - Team Store Yuko Iwahashi
Manager - Team Store Rhys Stanley
Manager - Team Store Tashina Willard
Souvenir Manager Sean Guiney
Buy/Retail Marketing Manager Madeline Kusch
Assistant Manager - Distribution Center Trevor Weimer
Assistant Manager - T-Mobile Park Team Store Derrick Ceppa
Merchandise Assistant Francesca Taporco


Title Name
Senior Director - Procurement Norma Cantú
Sr. Procurement Manager/Buyer Casey Tager
Procurement Buyer Austin Benson
Warehouse: Shipping & Receiving Manager RJ Sanchez
Procurement Assistant Jean Elliott
Shipping and Receiving Assistant Steven Morales
Warehouse & Mailroom Assistant Robert Silky


Title Name
Senior Vice President - Sales Frances Traisman
Vice President, Ticket Sales & Service Cory Carbary
Vice President - Partnerships and Community Relations Joe Chard
Senior Director - Partnerships Ingrid Russell-Narcisse
Director - Group Business Development Bob Hellinger
Senior Manager, Sales Operations Nicholette Collins
Senior Manager, Season Ticket Sales Jonathan Ryan
Senior Manager, Group Sales Marc Mahoney
Senior Manager, Sales Development Elizabeth McCloskey
Manager, Sales Strategy & Communication Ethan Drigotas
Sales Business Analyst Joe Chang
Sales Analyst Mason Shigenaka
Sales Activation Strategist Jenna Massaro
Sales Strategy Associate Tyler Carskadon
Premium Sales Mike Mendolia
Premium Sales Max Manix
Premium Sales Erica Zemke
Premium Sales Kendra Griffin
Senior Account Manager - Client Services Jill Dahlen
Senior Account Manager - Client Services Chuck Viltz
Senior Account Manager - Client Services Mike Aceto
Account Executive - Partnerships Albert Jaimes
Account Executive - Radio Mike Farrington
Account Executive - Radio Bill Aanenson
Account Executive - Radio Tim Sexton
Account Executive - Radio Kevin Williams
Account Executive - Season Ticket Sales Christopher Lawler
Account Executive - Season Ticket Sales Jack Maloney
Account Executive - Season Ticket Sales Sydney Severson
Account Executive - Season Ticket Sales Ashton Zeth
Executive Assistant, Ticket Sales & Partnerships Judy Vaught
Administrative Assistant - Client Services Melissa Wallace
Account Executive - Group Sales Emily Wright
Account Executive - Group Sales Katie Transue
Account Executive - Group Sales Ariana Busch
Account Executive - Group Sales Alexa Olague
Account Executive - Group Sales Jordan Krafka
Client Development Associate Brier Atkinson
Sales Consultant Sam Vickery
Sales Consultant Kayla Buchmeier
Sales Consultant Zachary Clinch
Sales Consultant Madeline Corn
Sales Consultant Riley Gregoire
Sales Consultant Keri Iwasaki
Sales Consultant Hannah King
Sales Consultant Tori Miller
Sales Consultant AJ Nordi
Partnership Activation Coordinator Sophie Kuehl
Partnership Activation Coordinator Lindsay Garza
Partnership Activation Coordinator Jasmine Garza

Ticket Services

Title Name
Vice President, Ticket Operations & Event Services Malcolm Rogel
Sr. Director, Ticket Operations Jennifer Sweigert
Manager - Ticket Operations Lincoln Loeber
Sr. Manager, Ticket and Event Services Bob Brunner
Coordinator - Ticket Services Tracy Koletzky
Parking Supervisor Jerry Johnson
Parking Supervisor Steve Mitchell