Leadership Team

Robin J. Cohen is President and Chief Executive Officer of the Enterprise Wireless Alliance where she works to maximize industry access to spectrum, plays a leading role in facilitating the shared use of wireless networks by business enterprises and public safety organizations across the United States, and consistently delivers results for EWA members.

Prior to her appointment to lead the Alliance, Ms. Cohen served as EWA’s Senior Vice President of Strategic Initiatives. In that role, her responsibilities included managing EWA’s spectrum management operations, integrating the delivery of new spectrum capacity within the Alliance’s automated capabilities, and participating in the development of EWA’s advocacy initiatives. During her time at EWA, Ms. Cohen has led spectrum policy and business initiatives including the Alliance’s efforts to maximize industry access to 800 MHz and T-Band spectrum, implementation of the 900 MHz Transition Services Agreement with Anterix and of the Medical Body Area Networks (MBAN) registration capability at 2.3 GHz under an agreement with the Federal Communications Commission.  Ms. Cohen joined the Alliance staff in 2016 as Executive Director of Regulatory Affairs and Spectrum Strategies. 

An industry veteran, Ms. Cohen brings a deep understanding of the issues facing the wireless communications industry. Prior to joining EWA, Ms. Cohen spent more than 19 years at Sprint Corporation (now T-Mobile) and the last 11 years as Senior Manager, Regulatory Affairs. Ms. Cohen was twice awarded Sprint’s Circle of Excellence Award for outstanding achievement.

Mark E. Crosby serves as chief strategy officer of the Enterprise Wireless Alliance. In this role, Mark focuses his attention on the issues and the relationships that will become critical for the future of the Alliance. Throughout his career, Mark has been an advocate for the efficient and effective use of spectrum dedicated for the use of business enterprises. 

Mark served as president and chief executive officer of the Enterprise Wireless Alliance (formerly the Industrial Telecommunications Association) from 2004 until 2021. Under his leadership, EWA became recognized as a fierce defender of EWA-member spectrum rights, an advocate for responsible regulatory policy, and a trusted FCC-certified frequency advisory committee. From 2000 to 2004, Mark was president of Access Spectrum LLC, a company he co-founded in 2000 to pioneer spectrum band management for private wireless licensees deploying voice and data technologies. From 1975 until 2000, Mark served as president of the Special Industrial Radio Service Association (SIRSA), which became and the Industrial Telecommunications Association in 1993.  

In 2021, Mark was inducted into the Wireless Hall of Fame. He serves as an officer and member of the Board of Directors of the National Wireless Communications Council. 

Eric Hill has been in the wireless industry for over 30 years, supporting and directing operations for companies and trade associations in the U.S. and internationally. Eric oversees new business development, information technology, accounting, and human resources. He has provided leadership in the development of EWA’s frequency coordination, spectrum management, and other software services and membership programs since joining EWA in 2008.  

Prior to EWA, Eric managed operations, industry relations, business development, and marketing in the cellular, satellite, and information systems industries, including VeriSign, GSM Association, Iridium, CTIA, and Cellular One, now AT&T Wireless.

Ila Dudley has nearly 50 years of experience in the private land mobile radio industry starting with the Special Industrial Radio Service Association, then with the Industrial Telecommunications Association, both predecessor organizations to the Enterprise Wireless Alliance. Ila participates in the management of EWA and provides leadership to the Spectrum Solutions group. She has been instrumental in the creation of both Cevo Go and Cevo, EWA’s frequency coordination portal. 

As Vice President, Strategic Initiatives, Kyle Entz manages EWA’s team of spectrum advisors, contributes to member advocacy initiatives, and manages EWA’s 900 MHz incumbent transition program. Mr. Entz brings more than 20 years of experience in Federal Communications Commission licensing and spectrum policy matters. During his more than 15 years at Sprint (now T-Mobile), Mr. Entz managed a team responsible for more than 50,000 FCC licenses and supported multiple, complex corporate initiatives such as the relocation of thousands of 800 MHz incumbents and a network expansion that became the largest microwave backhaul deployment in the US. While at Sprint, Mr. Entz contributed to upgrading network technologies from CDMA to LTE and Sprint’s nationwide deployment of 4G and 5G network upgrades. Mr. Entz has also extensive experience with secondary market spectrum leasing, spectrum acquisition, tower siting and point-to-point microwave solutions. Kyle Entz earned his Bachelor of Science from Georgetown University and his MBA from the George Washington University School of Business.

As Chief Financial Officer, Bill Mulholland, CPA, oversees the accounting and finance operations of the Alliance and directs its investment strategy. To this role, Bill brings extensive experience in both public and private accounting and finance. Prior to joining EWA, for more than 15 years, he provided consulting services as CFO and Treasurer for several non-profit organizations in the Washington area. Earlier in his career, he served in several finance and accounting roles for technology and marketing firms.