Our Team

John Dwyer is the president of AT&T's Prepaid Wireless Portfolio, consisting of Cricket Wireless and AT&T PREPAID

John oversees the AT&T prepaid portfolio with a passion and commitment to drive growth for the business and great value for our customers. Under his leadership, the teams focus on delivering consistent world class service, reliability and value for no annual contract wireless customers across the country. John also leads the brand's Believe Atlanta initiative, a multidimensional campaign that engages AT&T's employees in Atlanta and reinforces our commitment to the city.

Prior to leading the prepaid business, John led the customer experience effort for AT&T Mobile and Business Solutions. He also led the retail sales operations team and served in several sales and customer service leadership roles at AT&T, Cingular Wireless and Pacific Bell Mobile Services.

He is passionate about youth development and programs that take innovative approaches to growing emerging leaders. He serves on the executive board of directors for Junior Achievement of Georgia, the Board of Directors for 3DE, the Board of Directors for the Metro Atlanta Chamber of Commerce, and the Boy Scouts Atlanta Area Council.

John earned a bachelor's degree in marketing at the University of Wisconsin and a master's degree in finance at the University of Chicago.

Tiffany Baehman is Vice President of Sales and Distribution for Cricket Wireless, an AT&T subsidiary and one of the fastest growing companies in prepaid wireless. In this role she leads the execution for the company’s sales growth strategy.

Previously, Tiffany was the Vice President and Chief Marketing Officer for Cricket. As head of Cricket’s marketing organization, she lead the company’s advertising and promotions, sponsorship, product management, acquisition and retention, retail merchandising, and consumer insights.

Tiffany earned a bachelor’s degree from Missouri State University and a Master’s of Business Administration from Saint Louis University.

Matt Haymons is Vice President and CIO of AT&T’s Prepaid Wireless Portfolio, which includes Cricket Wireless and AT&T PREPAID. He leads a team committed to improving the overall customer experience by delivering innovative technology and platform solutions aimed at simplifying the Sales and Care process.

Matt has been with AT&T since 1996 and most recently served as Vice President & CIO of the Mobility & Entertainment – Product Marketing Technology Solutions and Delivery team.

Matt has driven innovative product development and technology leadership for many of AT&T’s milestone products including the launch of Family Messaging, Tiered Data Pricing, Mobile Share, AT&T Next, Network QoS and the evolution of Integrated Offer frameworks supporting multi product sales and provisioning across the enterprise.

He holds a B.A. from the University of Georgia and a Master’s of Business Administration from Mercer University.

Justin McNamara leads Network & Engineering at Cricket Wireless. He is responsible for the entire Cricket network, including monitoring the overall performance, building the capacity needed for growth and designing, testing and delivering future network services from LTE to VOLTE and WiFi calling.

In 1994, Justin started with AT&T in Dublin, Ireland, and was one of the original Aio Wireless employees that lead the launch of the new company. Before joining Cricket, Justin has served many roles in AT&T from leading the design and evolution of mobile messaging to delivering the first set of AT&T network APIs for 3rd parties.
He currently holds over 100 patents in telecommunications and wireless.

Justin holds a (BSC) Degree in Applied Mathematics and Computing and a Master (MSC) Degree in Neural Network from the University of Limerick, Ireland.

Tony Mokry is Vice President and Chief Marketing Officer of Cricket Wireless, an AT&T subsidiary and one of the fastest growing companies in prepaid wireless. As head of Cricket's marketing organization, he leads the company's advertising and promotions, sponsorship, product management, acquisition and retention, retail merchandising and consumer insights.

In Tony’s 25-year career with AT&T, he served as VPGM of the Gulf States Market, responsible for AT&T’s company owned retail stores and partner retail stores within the states of Alabama, Louisiana, Mississippi and Northwest Florida.

Prior to this, Tony was AVP-Promotions and OEM Relationships in Atlanta, leading a team of professionals to develop national promotions for wireless, T.V. and broadband products across all sales channels. Tony also had success in this capacity building collaborative market relationships with Samsung and Apple.

Tony holds a BA from DePaul University.

Lenny Rhee is Vice President - Business Operations in AT&T Mobility's Prepaid Portfolio organization. In this role, Lenny leads the Cricket and AT&T PREPAID business operations team. He and his team manage the AT&T PREPAID brand’s profit and loss (P&L), inventory ordering fulfillment and logistics for Cricket, as well as pricing analytics and national retail sales channel management for both Cricket and AT&T PREPAID.

Prior to this, Lenny served as Vice President - Transformation, where he led the transformation program portfolio of strategic initiatives across the company that will achieve $6B in EBITDA run-rate impact in 2023. He’s also held roles as AVP – Chairman Communications for AT&T, and AVP of Business Planning for AT&T Fiber.

Lenny received his B.S. degree in Mechanical Engineering with a secondary in Product Design at Stanford University and received his MBA with honors from the UCLA Anderson Graduate School of Management.

Kristi Turner is Vice President of Channel Operations for Cricket Wireless and AT&T PREPAID. She leads the teams responsible for sales operations, training and communications, the digital experience for Cricket and customer care for both Cricket and AT&T PREPAID.

Since joining AT&T in 1993, Kristi has held positions in sales leadership, sales operations and wireless strategy. Most recently, Kristi served as Vice President and General Manager – Heartland States, AT&T Mobility, where she was responsible for ensuring customer experience, customer and revenue growth, operating income and churn goals were achieved in Tennessee, Kentucky and Indiana.

Kristi holds a bachelor's degree in Psychology from Furman University and an MBA from University of Georgia's Terry School of Business.