Meet the oxyGEN National Board

The perfect blend of creativity, passion, and hard work.  We are proud to represent many different diversities, generations, and walks of life.

oxyGEN National Board

Tyler Hein

Chief Executive Officer (Interim)

oxyGEN National Board

Michelle Murray-Carter

Chief Operating Officer (Interim)

oxyGEN National Board

Betsy Harmse

Chief of Staff

oxyGEN National Board

Jennifer Harris

Chief Financial Officer

oxyGEN National Board

Timothy Geraghty

Chief Technology Officer

oxyGEN National Board

Tonie Martinez

Chief Programs Officer (Interim)

oxyGEN National Board

Meghan Barnes

Chief Marketing Officer (Interim)

oxyGEN National Board

Alicia Pajda

East Regional President

oxyGEN National Board

Lauren Herrera

West Regional President

Tyler Hein

Chief Executive Officer (Interim)

oxyGEN Responsibilities:

As the chief executive officer, my main responsibility is to develop and execute the organization’s overall strategy. In addition to this, I also oversee our oxyGEN National Board and communicate with all stakeholders. My goal is to elevate oxyGEN by strengthening our operations,  honing in on our technology and marketing functions, and enriching the value that we provide our members. In the short-term, I will also be spearheading oxyGEN's marketing strategy. This includes designing all oxyGEN email communications, flyers, videos, and website materials. I also oversee our social media strategy and strive to build brand awareness around the community. In addition to this – I spend a lot of time brainstorming new ways to get the oxyGEN name out there and work closely with other members of the board to ensure that the oxyGEN brand and mission statement is interwoven throughout the fabric of all our programs and initiatives. Prior to serving as the interim CEO and Chief Marketing Officer,  I was the Chief of Staff from 2018-2019 and also carried various local chapter positions in New York City from 2017-2019.

Day-to-Day: Lead Content Marketing Strategist (Marketing Communications – Business Marketing)

I am a lead content marketing strategist in the Marketing and Growth Organization. I will be spearheading the content strategy for an internal website that strives to connect marketers across the overall business organization.  I collaborate with various teams to design and execute messaging that reflects the company's innovative marketing strategy. In addition to this, a large part of my role is to help foster collaboration and to create a space for people to share their knowledge and marketing expertise.

Quote I live by:

If your dreams don’t scare you, they’re not big enough.

Michelle Murray-Carter

Chief Operating Officer (Interim)

oxyGEN Responsibilities: As Chief Operating Officer, Michelle is responsible for managing and supporting the oxyGEN chapters from the national level. This includes making sure membership is engaged and active in the programs that oxyGEN supports. Michelle regularly engages with chapter leaders and membership to guarantee that they are completing the goals and objectives for their locations. She works with two regional Presidents to help facilitate and manage the nine current chapter.
Day-to-Day: Senior Sales System Engineer 2 Fiber, National Business Solutions Michelle is a technical consultant to the North Carolina fiber team located in Raleigh, NC with a focus on fiber and internet solutions for small and medium businesses. She supports ten direct fiber sellers and their customers by assisting in developing and designing solutions for business clients that need fiber, cybersecurity, and voice services. Key responsibilities include managing solution implementations, contract and solution design, and technical consulting. Specialties: Program Management, Networking, Negotiations, Marketing, Account Management, Innovating
Quote I live by: “Be yourself and love what you do!”

Betsy Harmse

Chief of Staff

oxyGEN Responsibilities:

As a Chief of Staff, my primary focus is board development and management. This includes internal communications and management of the National oxyGEN board members, along with facilitating and keeping a record of our board meetings.  I am also in charge of building relationships with and managing both our Board of Advisors (usually AT&T officers) and Board of Directors (past national board members) who advise oxyGEN. I lead the annual election process for the National Board and supporting local chapter elections (along with the Regional Presidents and Regional Chiefs of Staff), and I’m responsible for updates to the organization’s bylaws and internal record keeping at the national level.

Day-to-Day: Principal Program Manager, AT&T HR Mergers & Acquisitions

I am a Principal Program Manager in HR Mergers & Acquisitions, and my team is engaged when there is a potential deal that will move employees between AT&T and another company, whether it’s an insourcing, outsourcing, acquisition or divestiture. I usually manage a portfolio of projects with multiple global clients from either Corporate Development, Supply Chain, and/or Sales Channel; and these projects are typically complex and span multiple business units and/or countries. I am responsible for end-to-end project management of the employee transition process, from the due diligence analysis needed to negotiate the employee terms in a new contract to the employee transition when their paycheck actually changes hands to the new company. I partner with a variety of stakeholders and SMEs across AT&T to try to make these transitions as smooth as possible and meet the needs of our business and our employees.

Quotes I live by:

“Follow the sun. Be a sunflower. Look for the light, warmth and the good in yourself and others and any situation you face.” “Be a thermostat, not a thermometer. A leader sets the temperature and the tone for their team and any room they enter. ”

Jennifer Harris

Chief Financial Officer

oxyGEN Responsibilities:  As a Chief Financial Officer, Jennifer is responsible for all financial matters for the ERG. This includes taxes, financial reporting, budgeting, forecasting,  facilitating, managing the Scholarship Program and any other financial needs as they arise.
Day-to-Day Responsibilities: Senior Project Program Manager Call Center Strategy & Planning Jennifer is a member of the Call Center Strategy and Planning Team. She supports project and planning both for our Internal and External Call Centers to align with the initiatives for the future of AT&T. Key responsibilities include managing several projects at any giving time for both Call Center strategy and future planning. This includes working with many other teams throughout AT&T to remain on schedule. Works on innovating the future of the AT&T Call Center and Customer Service.
Quote I live by: "You have to have confidence in your ability, and then be tough enough to follow through." – Rosalynn Carter

Timothy Geraghty

Chief Technology Officer

oxyGEN: Chief Technology Officer

 As a chief technology officer, my primary focus is to use technology to improve processes and increase productivity. I am responsible for developing applications for various projects for oxygen whether they are internal or external. I lead the team of outstanding developers to deliver state of the art applications.

Day-to-Day: Member of Technical Staff (Advanced Technology & Systems)

Tim is a Member of Technical Staff in the Network Service Quality Management team at AT&T Advanced Technology & Systems where he is driving data insights and solutioning network automation in ECOMP/ONAP to enhance Operations. Key responsibilities include partnering with teams to understand pain points, mining data to gain understanding, and innovating software solutions to improve operational efficiency. Specialties: Machine Learning, Big Data, Data Analysis, Software Defined Networking (SDN), Network Function Virtualization (NFV), Product Design

Quote I live by:

“Today I will do what others won’t, so tomorrow I can do what others can’t.”

Tonie Martinez

Chief Programs Officer (Interim)

oxyGEN Responsibilities:

As Interim Chief Programs Officer, I am responsible for developing and executing our programs from a national level. This includes making sure membership is engaged and active in the programs that oxyGEN supports. I engage with chapters, committee members, and company leaders to ensure programs promote excitement, community engagement, and push the status quo to keep membership growing. I will also lead the planning of our annual conference to make sure we attract, develop, and retain our membership. My goal is to bring innovative and interactive programs which will aid in lifting those around me so they can become the best versions of themselves.

Day-to-Day: Client Solutions Executive (Business Space: Government, Education, and Medical)

My name is Tonie Martinez, and I’m located in Dallas, Texas. I am a proud Latina, born and raised in Laredo, Texas. I can speak, read, and write Spanish fluently and I am currently working on polishing up my French and learning Arabic.  Coming from a strong Mexican-American household, family is everything to me. I am the proud “favorite” fun-loving aunt to 1 niece (2 years old) and 3 nephews (ages 10, 3, and 2). I graduated from Texas A&M International University in 2019 and started my career  in the B2B Sales Development Program in 2021. Currently, I am responsible for owning the mobility relationships in Public Sector & enhancing revenues and profitability for the company by building rapport with government customers. I am flexible to working individually and in team environments and believe I add value to our teams by being an active listener and a catalyst for execution on team strategies. My passions include playing board games, traveling, photography, singing and listening to music, learning about different cultures, and going to the gym. I am a huge Taylor Swift fan, and you will most likely catch me singing her music at least once a day. I have a dog baby named Flabio, she is a 13-year-old Chihuahua. I have been happily married for 3 years now and my husband is from Egypt, we met while I was travelling (no surprise).

Quotes I live by:

 "As we look ahead into the next century, leaders will be those who empower others.“ “Live as if you were to die tomorrow. Learn as if you were to live forever.”

Meghan Barnes

Chief Marketing Officer (Interim)

oxyGEN Responsibilities:

As the interim CMO, my primary focus is aligning to the oxyGEN basics: drive the development of innovative and inspirational leaders through resonating content and communications.  I am so excited to work with an amazing committee of social media, communications, and branding experts to cultivate the oxyGEN membership base, empower chapters to engage intentionally in their communities, and celebrate our successes to the broader AT&T community.

Day-to-Day: Senior Program Manager

My name is Meghan Barnes, and I currently live in Seattle, Washington. I started my career in Los Angeles as a participant in the 2010 Leadership Development Program after receiving my MBA in marketing and organizational development. Day-to-day, I am a Senior Program Manager directing Community & Social Investments aligned to our Connected Learning organization within the Corporate Responsibility team. I helped launch the Southern California chapter of oxyGEN in 2011 and then served as the Chief Marketing Officer on the national board from 2012-2014.  Prior to joining the Corporate Responsibility team I held positions in Network Planning and Engineering, and U-verse Marketing.  I have a pre-MBA professional background in hospitality and an undergraduate in Psychology. In my free time I love hiking, paddle boarding, wine tasting and playing chess or cribbage.  I also stay busy “proud aunt-ing” three curious and fabulous nephews as well as sitting on the board of a local nonprofit addressing childhood food insecurity.

Quotes I live by:

Most people never run far enough on their first wind to find out they've got a second” - William James Instructions for living a life: Pay attention. Be astonished. Tell about it.” - Mary Oliver

Alicia Pajda

East Regional President

oxyGEN Responsibilities:  As Regional President I am responsible for driving success for all chapters represented in the East Region. I serve as the liaison between the local chapters and the national board. My role requires me to implement & oversee projects and engagement that align with oxyGEN’s mission to develop future leaders and disrupt the status quo.
Day-to-Day: Account Executive, State, Local Government & Education My name is Alicia Pajda and I live in Atlanta, GA with my fiancé and sweet fur baby, Moo. In my current role as Professional – Data Analysis, I own executive reporting and analytics across the Service Delivery organization. I deliver detailed business insights on key metrics and areas of opportunity, driving improved end to end delivery experience, accelerated revenue, and cost savings. I joined AT&T in 2017 through the Technology Development Program, and have held various roles in business analytics, process improvement, data visualization, and project management. In my free time I enjoy running, reading, watching St. Louis Blues Hockey, and playing with my dog.
Quote I live by: “You miss 100% of the shots you don’t take.” – Wayne Gretzky
Atlanta, GA

Lauren Herrera

West Regional President

oxyGEN Responsibilities:

As Regional President I am responsible for driving success for all chapters represented in the West Region. I serve as the liaison between the local chapter and the national board.  My role requires me to implement & oversee projects and engagement that align with oxyGEN’s mission to develop future leaders and disrupt the status quo.

Day-to-Day: Senior Sales Trainer (Digital, Retail, and Care)

I support the Broadband Care organization. My key role and responsibilities include employee communications, managing all award and recognition programs, facilitating Diversity and Inclusion initiatives and driving employee engagement within the organization.

Quote I live by:

Don’t let your fears take the place of your dreams.” - Walt Disney