• Ernie Ortega

    Ernie Ortega

    CEO

    Ernie Ortega è il CEO di GTT. In questo ruolo, egli ha la responsabilità di guidare tutte le attività aziendali volte a raggiungere l’eccellenza operativa e una customer experience ottimale; obiettivi che GTT si pone per tutti i propri clienti dall’enterprise al canale, dai governi agli operatori. Ortega inoltre è anche a capo di tutta la struttura vendite. Egli ha maturato oltre 30 anni di esperienza nel settore delle telecomunicazioni, dove ha ottenuto successi importanti in termini di crescita delle revenue in tutte le aziende dove ha lavorato, incluse MCI, XO, Cogent e Colt. Ha ricoperto diversi ruoli dirigenziali, con responsabilità di revenue da 400 milioni a 1.7 miliardi di dollari. Più recentemente è stato CEO di Towerstream. In precedenza è stato Chief Reveue Officer in Colt Technology Services, dove aveva la responsabilità di vendite, marketing, operations e sales engineering in 3 continenti. In precedenza era stato Chief Reveue Officer di Cogent, e ancor prima aveva lavorato 14 in XO Communication, come VP Sales & Marketing. Ha iniziato la sua carrierra nelle telecomunicazioni in MCI ricoprendo vari ruoli manageriali.

  • Johan Broekhuysen

    Johan Broekhuysen

    Chief Financial Officer

    Johan Broekhuysen is GTT’s chief financial officer (CFO). As CFO, Mr. Broekhuysen leads GTT’s global finance group, including financial operations, investor relations and all banking and advisory relationships. His career spans more than 25 years in a variety of roles, including senior leadership positions with Open Water Advisory Group LLC, BlackSky Technology Inc., Lumos Networks Inc. (now Segra), and AOL (America Online). Mr. Broekhuysen has managed the finance organizations for public companies and private equity firms, where he also played a key role in strategic transformation and workforce management initiatives. Before joining GTT, he founded and served as principal leader of Open Water Advisory Group LLC, where he provided strategic and tactical guidance to some of the largest global private equity funds. Prior to Open Water, Mr. Broekhuysen was executive vice president and CFO at Lumos Communications (Nasdaq: LMOS), where he was instrumental in helping successfully transform a local ILEC into a regional fiber based telecommunications company, resulting in its sale to private equity investors. Mr. Broekhuysen is a CPA and graduate of the University of Stellenbosch (South Africa) with a Bachelor of Commerce degree.

  • Lisa Brown

    Lisa Brown

    Chief Marketing Officer & Chief of Staff for the Executive Office

    Lisa Brown is GTT’s chief marketing officer (CMO) and chief of staff for the executive office. In her role, Ms. Brown is responsible for leading the sales enablement, corporate marketing, and client experience functions. As chief of staff, her responsibility is to manage the CEO transformation agenda facilitating the successful implementation of key initiatives across GTT in support of the company’s business objectives. Ms. Brown joined GTT in October 2015 and has worked in a number of executive roles aligned to the CRO office, most recently as SVP sales operations. Ms. Brown brings over 20 years of industry experience to the role and has held  leadership positions in the telecommunications, data center, and public cloud sectors.  She was formerly vice president marketing and sales operations at both Broadwing Communications and Active Power. While at Broadwing she also served as general manager and vice president customer operations. Ms. Brown received a bachelor’s degree in Finance from Bloomsburg University. 

  • George Kuzmanovski

    George Kuzmanovski

    Interim Chief Operating Officer

    George Kuzmanovski is GTT’s interim chief operations officer (COO). He is responsible for driving operational excellence for GTT in global provisioning, engineering, service delivery, field operations, access management, service assurance, security, IT and systems development. Mr. Kuzmanovski brings more than 24 years of telecom experience, with a diverse background leading organizations in strategy, operations, construction and IT. Prior to taking on the COO role at GTT, he served as the company’s senior vice president for Global Service Delivery since 2019. Before that, he was managing director at Ledcor Technical Services, where he managed a $600 million fiber and 5G wireless expansion for a leading tier 1 service provider. Mr. Kuzmanovski also has previously held senior positions at Windstream Communications, XO Communications and Global Crossing. He holds an MBA in Finance and Information Systems from the William E. Simon School of Business and a Bachelor of Science in Biochemistry from the University at Buffalo New York.

  • Frederique Arnold

    Frederique Arnold

    Senior Vice President, Human Resources

    Frederique Arnold è senior vice president di GTT, responsabile risorse umane. Nel suo ruolo di direzione delle risorse umane, la signora Arnold ha la responsabilità di gestire il rendimento dei collaboratori di GTT, pianificarne i compensi e assumere nuovi talenti, nonché di fornire il supporto del suo team nelle acquisizioni e nel processo di ristrutturazione e cambiamento dell'organizzazione. La signora Arnold vanta 20 anni di esperienza nel campo delle risorse umane in aziende internazionali hi-tech, e ha prestato la sua opera a servizio di organizzazioni ad alto tasso di crescita e in rapido cambiamento. Prima di entrare in GTT nel 2018, Frederique Arnold ha ricoperto il ruolo di senior vice president delle risorse umane di Interoute. È entrata in Interoute nel 2006 come direttore del settore Global Compensation e Benefits e successivamente ha ricoperto numerosi ruoli apicali nella funzione risorse umane. Prima di entrare in Interoute, la signora Arnold ha ricoperto diverse posizioni direttive in Mentor Graphics, dove si è specializzata in retribuzioni generiche e dirigenziali, fusioni e acquisizioni, benefit, gestione del rendimento e relazioni con i dipendenti. La signora Arnold ha conseguito un Master of Science in Economics all'Università Louis Pasteur di Strasburgo, in Francia, e un Master in risorse umane presso la facoltà di legge, economia e scienze politiche dell'Università di Digione in Francia.

  • Jim Delis

    Jim Delis

    President, Divison Americas

    Jim Delis is President of GTT, Americas Division. Mr. Delis' career in the telecommunications industry spans over 30 years. He has held executive positions in sales and business development, and has had revenue responsibility for several telecommunications carriers, including TPX Communications, Time Warner Cable, XO Communications and AT&T Wireless Services. Mr. Delis' notable accomplishments include growing revenues through the development of multiple distribution channels and creating highly efficient and productive sales organizations. Prior to joining GTT, Mr. Delis served as Executive Vice President, Partner Channels for TPX Communications, where he helped transition TPX from a regional CTEC to a national managed services provider. Prior to TPX, Mr. Delis was Group Vice President at Time Warner Cable, where he expanded the service provider's distribution channels to include wholesale, VAR, partner channel and enterprise as the cable industry entered the B-to-B telecommunications market. Mr. Delis is a graduate of the University of Utah and holds a Diploma in Political Science.

  • Tom Homer

    Tom Homer

    President, Division Europe

    Tom Homer is President of GTT's Europe Division and oversees key functions in the Europe region, including customer success, sales, sales engineering, quoting, ordering, professional services, and overall customer account management. Mr. Homer brings to GTT more than 25 years of experience as a telecommunications executive. Prior to joining GTT in 2020, Mr. Homer was Chief Customer Officer at LaserLight, responsible for sales, product management, marketing and customer experience. Prior to that, Mr. Homer held leadership positions at Telstra and Global Cloud Exchange. At Telstra, Mr. Homer was Managing Director, EMEA, responsible for strategy development and execution in the region. During his tenure, Mr. Homer doubled the size of the EMEA business and was a global sponsor of the Customer Advocacy program. Mr. Homer served as Managing Director, UK and Nordics, at Global Cloud Exchange from 2009 to 2011. Earlier in his career, Mr. Homer held management and sales positions at Cable & Wireless and AT&T.

  • Douglass Maynard

    Douglass Maynard

    General Counsel

    Douglass Maynard è general counsel di GTT, responsabile di tutte le questioni legali dell'azienda. Il signor Maynard ha oltre 30 anni di esperienza legale come avvocato praticante, procuratore federale e consulente interno. Prima di entrare a far parte di GTT, è stato consigliere generale per Akin Gump Strauss Hauer & Feld LLP, un importante studio legale internazionale. Il signor Maynard è stato vice commissario per le questioni legali presso il dipartimento di polizia di New York City. All'inizio di questa carriera, il signor Maynard ha lavorato come assistente procuratore degli Stati Uniti, divisione penale, presso l'ufficio del procuratore degli Stati Uniti, per il distretto meridionale di New York. Ha iniziato la sua carriera come collaboratore in contenzioso con Patterson, Belknap, Webb e Tyler LLP. Il signor Maynard ha conseguito una laurea in lettere presso la Yale University e una laurea in giurisprudenza presso la New York University School of Law. Fa parte del Comitato Giudiziario dell'Associazione degli avvocati di New York City ed è anche membro del Consiglio di amministrazione della Ronald McDonald House della Greater Hudson Valley.

  • Todd Kiehn

    Todd Kiehn

    Senior Vice President of Strategy & Product

    Todd Kiehn is Senior Vice President of Strategy & Product at GTT, responsible for the development of the company’s corporate strategy, and its comprehensive portfolio of network and managed services that includes SD-WAN, cloud security, Internet, enterprise voice and professional services. With nearly 20 years of experience in the telecommunications industry, Mr. Kiehn held previous product management and marketing leadership roles at Level 3, Broadwing, and Covad. Mr. Kiehn has a bachelor’s degree in Political Science from Georgetown University and an MBA from the University of California, Berkeley. He is based in Austin, Texas.

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