Guillermo Andres Marmora

• Prime for the UC&C and SIP Voice Product Line in LATAM, leading a 60+ team of talented technical, engineering, IT, product development, business management and product presales professionals across the entire region, taking care of a USD 70M+ business in annual revenues.
• Leads product conception, development, launch, lifecycle management, operation and continuous improvement.
• Accountable for every KPIs associated to product line´s performance.
• Manages Lumen's Voice & UCC current portfolio comprising Unified Communications as a Service, Cloud Contact Center and Customer Experience Solutions, and SIP Voice, addressing corporate customers, government and service providers' needs globally.
• Creates strategic alliances looking to expand and/or complement Lumen's core portfolio, to better serve our customers in-region and globally.
• Main Accomplishments:.
• Double-digit overachievement in revenue targets, with sustained QoQ improvement in operational and financial results.
• Led Lumen Technologies’ LATAM Voice and UC&C team towards earning:.
• Frost and Sullivan's 2021 Best Practices Award - Latin American Collaboration Services Company of the Year.
• Frost and Sullivan's 2020 Best Practices Award - Latin American Hosted IP Telephony and UCaaS Innovation Excellence.

• Cloud Collaboration and SIP Voice, Unified Communications, Cloud Collaboration and SIP Voice CenturyLink, Voice and Unified Communications & Collaboration product head for the LATAM region.
• Prime lead for overall product strategy, P&L ownership, pre-sales support, operations & technology, product conception, design, development, implementation and launch, go-to-market and product positioning according to the company´s global product strategy, among others.
• Main accomplishments:.
• Double-digit YoY growth in both revenue and EBITDA over 5 years in a row.
• Consistently adapted the product line portfolio to address arising technologies and new vendors (e.
• G.
• Transitioning from hosted to cloud based service models, Microsoft Skype for Business to Microsoft Teams migration, Zoom Meetings and Phone implementations, etc.).
• Led change from a locally-oriented to a regionally-focused operational model, encompassing all areas across the Product Operations team, including Architecture, Planning, Engineering, Service Delivery and Service Assurance, also introducing the PMO function as part of the Engineering Division for the implementation of complex solutions.

• Sales Support UC&C and Voice, month) Voice and UC&C Solutions regional prime for the LATAM region.
• Duties comprised overall product line's P&L ownership, global pre-sales support, new product conception, design, implementation and launch, in-region go to market and product positioning according to the company´s global product strategy, among many others.
• Main accomplishments:.
• Double-digit YoY growth in both revenue and EBITDA.
• Successful launch of new products (Cloud Contact Center as a Service).

• UC&C Business Development, Business development and sales support for voice, audio and video conferencing and unified communications businesses.
• Duties included product line's P&L ownership, regional special projects development and support, demand generation initiatives, sales force strategic led and presales support, among others.
• Main accomplishments:.
• Secured new deals for over $1.5M in annual sales through the introduction of a wholesale SIP voice portfolio addressing VAS and Integrator's needs across the LATAM region.

• Product Management, Voice and UCC Solutions Product lifecycle management leader for Voice and Collaboration services in the Latin America & Caribbean regions.
• Duties included market and technology assessment, product conception & design, commercial plan design & implementation, demand stimulation initiatives, product policies, special business development, product profitability measurement & control.
• Main Achievements: - Successfully led the introduction of new service instances in our Managed Voice Solutions portfolio addressing innovative IP-based Unified Communications technologies (Microsoft's Skype for Business) VP Product Marketing, Voice & Collaboration Services.

• Responsible for product conception, design, implementation, lifecycle and performance management.
• Main accomplishments: - Designed and launched a new family of managed telecommunications services (Hosted IP PBX, Audio & Video Collaboration), a pioneering business concept at the time being, leading our annual managed services revenues from $0.5M to over $3M in 1.5 years.
• Technology and Operations, Voice Services.

• Regional responsibility (LATAM & Caribbean) for all technical and operational aspects regarding Voice and Collaboration Services offered by Global Crossing.
• In charge of all technical and operational matters related to the Voice business in Latin America & Caribbean.
• Responsibilities covered Global Crossing's voice operations in Argentina - Chile - Brazil - Peru - Colombia and Ecuador, leading a team composed of 35 highly skilled telecommunications professionals.
• Main accomplishments:.
• Sustained progress from an engineering role to regional managing positions in charge of technical, operational and product development areas, while developing in-depth telecom business knowledge.
• Systematically accomplished all organization-posed objectives, significantly contributing to develop the company's voice business from both a technical and product development perspective.
• Hired and led a team of more than 30 technical specialists throughout the region, which allowed the company to successfully operate the voice business' supporting infrastructure.
• Successfully managed an annual average budget of USD 18 Million+, consistently providing for cost efficiencies and business margin enhancements.
• Successfully led the different technical projects aimed to support public voice service start-ups, involving more than USD 20 Million in capital expenditures and several technical-commercial relationships with equipment and services vendors.
• Areas of responsibility included the technical assessment, design, implementation, turn-up, operation, maintenance and sustaining of Voice Switching and Signaling, Intelligent Network, OSS and Back-office (Mediation, DW, Rating, Settlement and BI).
• Re-engineered processes for improved efficiency in different functional areas (Service Delivery, Service Assurance, Back-Office, Network Planning, Pre-sales Engineering, etc.).

• Prime reference for all technical and operational aspects in connection to public voice services offered by ImpSat in Argentina, ranging from switching management, planning, processes and engineering to back-office systems’ operation.

Main accomplishments:

• Helped coordinating among different teams to define technical standards and common operational processes, oriented to ensure proper service implementation, delivery and assurance to voice customers.

• Lead in technical matters connected to voice applications.
• Project leader for Public Voice Service launching in Argentina, Perú and the U.S.

Main accomplishments:

• Supported public voice services launch in a timely manner in different countries across the region, acting as technical and operational advisor to the corresponding local teams, enabling new business for the company.

• Responsible for design, implementation and operation of the private voice network connecting all CORIM (Corporación IMPSA) companies (50+ sites in 9 countries).
• Supporting role to other engineering groups within ImpSat, for private voice applications.

Main accomplishments:

• Supported public voice services launch in a timely manner in different countries across the region, acting as technical and operational advisor to the corresponding local teams, enabling new business for the company.

• Lead advisor in Telecommunications and IT - related matters.

Main accomplishments:

• Successful re-negotiation of several technology supplier contracts with equipment and service providers.
• Development of contingency plans aimed to ensure telecommunications services availability for Buenos Aires' Police force.

Operational Leader (Transmission Engineering Department), being responsible for coordinating technical teams in different engineering and testing activities. Led the AMBA (Area Multiple Buenos Aires) Operational, Testing and Acceptance team, primarily involved in transmission and fiber optics networks service deployments.

• Member of IBM Argentina´s CRAAG (Computer Research and Advanced Applications Group) involved in applied research in digital signal and image processing, developing different software components for digital image processing applications.

Main accomplishments:

• Contributed to the development of an Automated Image Analysis and Pattern Recognition System that significantly improved the accuracy of telephone service usage calculation process for fixed telephone operators (e. g.Telefonica de Argentina S.A., Telecom Argentina S.A.).
• Developed software for image enhancement in Automatic Fingerprint Recognition system prototypes as part of the design of low-cost alternatives to multi-million dollars commercial AFR systems available in the market at that time (e. g.NEC AFIS).

• Supporting teacher in topics ranging from basic engineering foundations, including Mathematics and Physics to intermediate-level matters like Solid State Electronics.

• Hydraulics Engineering, Electronics).
• Main activities comprised design, assembly management and testing of measurement devices.