Rob Walter Chief Operating Officer

Rob (He/Him) is celebrating 19 years with AT&T this May! He currently supports the near 900 US-based employees in identifying and growing their skillsets to meet organizational deliverables in the Technology Development Organization.

Rob is a former LEAGUE-GA Vice President and was President of LEAGUE-GA the following three years. His biggest accomplishment during that time was creating the first Job Shadow Day in partnership with Chris 180 specifically for self-identifying LGBTQ youth at AT&T.

Rob grew up in Colorado, but now lives in the North Georgia Mountains outside of Atlanta with his partner of 19 years, Bill. When they’re not tending to the needs of their beloved French Bulldogs or their chickens, they enjoy white water rafting, kayaking, cooking, and spending time with friends.

Mark A. Barfield Chief Financial Officer

Mark joined AT&T in 1992 and have held positions in Sales, Operations, Marketing, and Finance.  He currently serves as a Principal Project Program Manager on the Global Customer Payments team responsible for payment strategy.  He manages the ACH electronic funds, Merchant Fees, and Transformation portfolios.

Mark became a LEAGUE at AT&T member in 2000 and have served the national board as CEO, COO, PR Officer, Communications and Strategy Chair.  He has also served as VP and Treasurer at the Chapter level and continue to serve on the LEAGUE Foundation where I’ve been a member and past VP since 2009.

Bringing my true self to work since the 1990’s has supported my growth across work, community, and family.

In his free time, you can find him and his partner traveling and volunteering.

Bill Blumberg Membership Officer

Bill (He/Him) is an Associate Director with the Technology Development Program (TDP) responsible for and developing innovative, adaptable, diverse, STEM graduates with emerging technical skills, coaching these future leaders of AT&T through an immersive and collaborative development program.

Bill has served LEAGUE in various roles in his career from President and CEO of NewANGLE the BellSouth LGBTQ+ ERG to his current roles as National Membership Officer and Vice President, LEAGUE Georgia Chapter.

In his spare time, Bill enjoys spending time with his husband Monte, caring for their two dogs, and tending to their growing flock of chickens. With the price of eggs as they are, we are building our retirement one dozen at a time!

Connor O. Roe Fundraising Director

Connor (He/Him) joined AT&T in 2017 through the B2B Sales Program in Atlanta, Georgia. He has since relocated to Dallas, Texas and served as a Fiber Sales Executive, Sales Manager, and currently serves as an Executive Chief of Staff in AT&T Business.

As a member of the LGBTQIA+ community, Connor is passionate about supporting AT&T’s focus on DE&I and is thrilled by this opportunity to serve the LEAGUE as Fundraising Director.

Early in his career, Connor made it a point to bring his full self to work thanks to the space that LEAGUE had created. Outside of “The Little Blue Globe,” Connor enjoys spending quality time with family and friends, staying active, and spontaneous travels.

Jakub Lech Membership Director

Jakub (He/Him) currently works as Lead Benefits Consultant, and he helps support the day-to-day operations of our benefit programs, including oversight of vendor operations to ensure alignment with AT&T Benefits strategy, and lead projects to improve the employee experience with healthcare and benefits.

Jakub is excited to work alongside LEAGUE's leadership team in advancing the group's mission statement. Although this will be his first leadership position at LEAGUE, he previously founded the LGTBQ+-focused ERG at Goodyear and held various leadership roles during his tenure there.

Jakub was born in Poland and moved to the US when he was 13 years old. He has traveled to 34 countries. In his free time, he enjoys traveling, hiking, and exercising.

Mark Sterrenberg Technology Director

Mark (He/Him) has been with AT&T for 7 years. He has spent his time at AT&T in both Technical and Business roles throughout the company and his current role is being an Agile Coach with the Agile Community of Engagement.

Mark has recently joined LEAGUE and will be working as the Technology Director

Mark lives in Dallas, TX with his partner Vee, and in his spare time enjoys working out, playing video games, and playing/watching various sports.

Sandy Spiro Union Liaison Director

Sandy (She Her) was part of the California Teachers Association (CTA) for 7 years and spent 10 years in the private sector as Safety Mentor, Diversity and Inclusion. In addition to leadership roles Sandy has held in the past, she also maintains a California Teaching credential. She has held several teaching and advising roles, as well as positions where responsible for recommending safety and employment rules/regulations.

Sandy was born and raised in California, but is currently residing in East Texas. For fun, she bowls on a ladies bowling league every week.