Assist Leadership Team

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David B. Dorwart
Chairman
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David B. Dorwart,  Chairman

David is the Co-Founder and Chairman of Assist Wireless. He brings more than 20 years of wireless/telecom experience to our team. He has spent decades providing cash-strapped consumers the best in wireless and telephone services. David brings the expanding Assist Wireless network innovative leadership, customer-centric solutions and years of effectively navigating the ins and outs of regulatory compliance.

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Byron Young
CEO
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Byron Young,  CEO

Byron joined Assist Wirless in 2010. As the Chief Executive Officer, Byron brings our company two decades of hands-on wireless and telecom expertise. With his 14 years of managing regulatory compliance issues, he is working to make sure that the Assist Wireless expanding network is in complete compliance with state, local and federal law.

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JD Hilzendager
Executive VP & General Manager
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JD Hilzendager,  Executive VP & General Manager

JD brings over 14 years wireless experience before joining Assist Wireless in 2015. With such an extensive background in wireless JD is able to expeditiously improve processes in sales, operations, logistics, compliance, systems and reporting. JD was the recipient of the AT&T Summit Award in 2015 and was a Verizon Wireless Winner's Circle recipient 3 times. JD is a graduate of the University of North Texas and enjoys volunteering for the Dallas Area Habitat for Humanity.

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Darrin Lewis
VP, Supply Chain Management
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Darrin Lewis,  VP, Supply Chain Management

Darrin joined Assist Wireless in 2011. As Vice President of Supply Chain Management, Darrin is focused on guaranteeing that our Oklahoma stores, sales professionals and ultimately our wireless customers enjoy a cohesive, user-friendly experience across all touch points. Although new to the wireless industry, Darrin is no stranger to working with state and federal governments to comply with all regulations. He brings to the Assist Wireless team over 29 years of regulatory expertise. Darrin’s outside interests include volunteering with the Oklahoma chapters of Red Cross for disaster relief and helping build homes for the economically disadvantaged as a Habitat for Humanity Volunteer.

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Kelly King
VP, Regulatory Affairs & Quality Management
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Kelly King,  VP, Regulatory Affairs & Quality Management

As Vice President of Regulatory Affairs & Quality Management, it is Kelly’s job to understand and implement policies and procedures that keep Assist Wireless in compliance with all state, local and federal regulations. She brings to our company 15 years of wireless and telecommunications background. Her passion for excellence continues to guarantee our customers the best in customer-centered wireless products and services. Kelly joined the Assist Wireless team in 2011.

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Domenic Fontana
Sr. VP of Finance
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Domenic Fontana,  Sr. VP of Finance

Domenic joined Assist Wireless in January of 2013 as Vice President of Finance. He has spent a decade working in the telecom field honing his skills in accounting, finance and treasury duties. Domenic works in concert with the compliance department to make sure all practices and accounting procedures are in alignment with the law. His personal time is spent with his family and giving back to his community.

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Corey Miller
Sr. Director of Operations
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Corey Miller,  Sr. Director of Operations

Corey joins the Assist Wireless team as Director of Operations. His responsibilities ensure the smooth operation of all stores and salesforce activities. A 4-year veteran in the enterprise mobility space, Corey is enjoying his new focus on the cellular market. He has served as a financial advisor and an accountant, with a thorough knowledge of FINRA, GAAP and SOX. His outside hobbies include golfing and exploring the natural beauty of Oklahoma and Texas.

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Jordan Majkszak
Sr. Director of Marketing
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Jordan Majkszak,  Sr. Director of Marketing

Jordan comes to Assist Wireless with five years of wireless compliance experience and more than a decade of general marketing expertise. Jordan has worked with such brands as Harley Davidson, Godiva, Goodyear and Wireless Zone. He has been quoted by GD USA magazine, eMarketer and Multichannel Merchant publications. He sees his primary mission as helping shape a brand image and voice that will put Assist Wireless on the map and deliver bottom-line results. Jordan has served his community by volunteering more than 140 hours to the Chester County Food Bank.

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Donna Sandoval
Director of Compliance
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Donna Sandoval,  Director of Compliance

Donna joined the Assist Wireless team in 2013. Since that time she has worked tirelessly to guarantee Assist Wireless is in complete regulatory compliance. A 15-year veteran of the the telecom industry, Donna has overseen compliance issues for several wireless and telecom companies for more than a decade. She continues to be an ethusiastic supporter and booster of the athletic programs at North Dallas High School.

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Marcus McBride
Director of Financial Operations
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Marcus McBride,  Director of Financial Operations

Marcus joined Assist Wireless in 2014. As a senior accountant, his duties include interfacing with the compliance department to verify accounting procedures are in alignment with the state and local laws.

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Shawn Khoja
Director of Business Development
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Shawn Khoja,  Director of Business Development

Shawn comes to Assist Wireless as a graduate of Carnegie Mellon University with an impressive track record of success running some of the most successful and award winning Cricket Wireless locations in the state of Texas. Shawn's strong project and retail management experience empower him to analyze and direct retail locations, management, and owners to increase profitability, compliance, and overall effectiveness. Shawn enjoys assisting with home building for Habitat for Humanity in the Dallas area in his free time.

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Marjorie Greenhalgh
Director of Finance
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Marjorie Greenhalgh,  Director of Finance

Marjorie joined ViaOne Services in 2015 with over 20 years of Finance and Accounting experience. Prior to ViaOne, she worked in public accounting for KPMG Peat Marwick for 4 years and for Avon Products, Inc. headquarters NY for over 20 years. Her responsibilities include management of forecasting and analysis along with overseeing proper Accounting and Reporting for the ViaOne companies. Marjorie is a graduate of the University of Denver, Colorado with a Bachelors in Accounting and is a CPA.

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Angel Christen
Manager of ISO Sales
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Angel Christen,  Manager of ISO Sales

Angel began work at Assist Wireless in 2012. As Manager of ISO Sales, she works with some 40 Independent Sales Organizations to verify transactions for the Lifeline Program. When not at work, you will find her volunteering with the Police Athletic League to provide safe, educational activities for displaced and disadvantaged youth.

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Adrian Massey
Compliance Field Auditor
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Adrian Massey,  Compliance Field Auditor

A Tulsa native, Adrian came aboard Asisst Wireless in 2014. Having spent many years in the wireless industry, Adrian is a Field Auditor, which means it is his job to verify that each store and outlet is operating in compliance with Oklahoma law. Before moving back home to Tulsa, Adrian worked with at-risk youths as an assistant director at Save Our Youth and as a volunteer with Love Ministries.