Marcos Tamura

As CTO reporting to the CEO / Shareholder, I was responsible for the management of Product Development Engineering, Software Architecture, Infrastructure/Telecom, Production and Information Security, comprising of 70 indirect and 9 direct employees, including managers and specialists. Major Achievements: - IT strategic planning and large contribution to the company´s strategic planning together with the company´s Board of Directors. - Integration and unification of employees, technology and telecommunications in the M&A (Mergers &Acquisitions) process. - DMP (Data Management Platform) - Project, implementation of Big Data platform based on OpenSource technology such as Hadoop, machine learning tools, etc. - Software Engineering Product: Implementation of ALM (Application Lifecycle Management) and development using the Agile methodology (Scrum, Kanban). - Digital Services: Digital Channels, Internet BOT, IM (Instant Messaging), Credit Collection, Call me back, Financial Services, etc.

As a Operations Director reporting to the CEO / Shareholder, I was responsible for the company´s corporate infrastructure and systems (ERP TOTVS, Service Desk, Email, Knowledge base, File Server, ALM (Application Lifecycle Management) and licensing of proprietary products). Major Projects and Results: - 40% cost reduction in IT. - Implementation of more effective processes after a staff reduction of 50%. - Mitigation and control of IT risks after creation of Compliance and Information Security area. Definition of security policies and compliance with security standards based on ISO 27001. - Design and implementation of the cloud computing concept with consolidation/virtualization of servers for Zenvia platforms and products. - Restructuring of the processes in infrastructure, productions and support by using ITIL. Implementation of service catalogues, definition and management of service levels (SLA/SLM), management of incidents, problems and changes.

As Operations Director reporting to the CTO, I was in charge of IT - InformationTechnology Area, plus Post Sales / IT Services for cliente on VAS Business Unit. Responsabilities: - Business strategic planning together with the executive board. - Definition of Annual budget for the VAS Operations. - Responsible for Technical and Relationship teams (Infrastructure, Advanced Support and Relationship / Business) with Telecoms Carriers and main clients. - Service Management for Telecoms Carriers and main Clients, with monitoring of customer performance through KPIs and regular visits to the company's main customers. - Elaboration of technical proposals, answers to RFPs and support to accounting executives. - Cost control (CAPEX and OPEX) for the operation of the VAS business. Achievements: - Implementation of more efficient processes after cutting 50% of personnel. - Mobile Marketing Projects (Grupo Pão de Açúcar, Coca-Cola), Interactive Media, Mobile / Corporate Banking (Santander, Citibank, Bradesco, Itaú, Banco Votorantin), Consumer Goods (Unilever, Kraft and L'Oréal AES), Corporate Services (Eletropaulo, ThyssenKrupp and Oi). - Budge saving of 30% using Open Source technology.

As Global Operations Director reporting to the CTO, I managed the IT area with focus on infrastructure, security, production and support with a staff made up of 36 direct collaborators split into high-performance teams Responsabilities: - Global Infrastructure Delivery at Spring Wireless (5 Datacenters: AT&T/US, Diveo, Embratel, Office/Brazil, IBS Data Fort/Russia). - Advanced Support & Production (SAAS and VAS). - Global Corporate Systems - Selection and management of national and international supplier contracts (AT&T, Embratel, UOL/Diveo, DELL, HP, EMC, VMware, Linux Suse / Red Hat, Microsoft, CISCO, F5). - Responsible for the whole corporate systems of the company (ERP Dynamics, Service Desk, E-mail, Knowledge base, File Server, ALM (Application Lifecycle Management), MBSA – Microsoft Business and Services Agreement (Select, EAS, SPLA), MPN - Microsoft Partner Network (Gold Partner, Silver Competences)). Achievements: - Migration of Data Center from Diveo/SP-Brazil to AT&T/USA-Dallas. - Implementation of ITIL processes within the company´s productive environment.

As IT Director I was in charge of Infraestructure, Advanced Support L1 L2 and Security Information teams. Achievements: - Integration of corporate infrastructure, operations and employees in the incorporation of Okto by Spring Wireless (M&A process). - Resizing the technical staff to maintain efficient operation without impact on the VAS business. - At the beginning of the merger, I delivered national and international SAAS projects such as Porto Seguro, Amil, Unilever, etc. - Technical relationship with clients and carriers.

As IT Director - Information Technology - reporting to the CTO (Chief Technology Officer), I was responsible for 40 people organized in Infrastructure Management & Security and Technical Support teams. Achievements: - As IT Director - Information Technology, I restructured the product platform and infrastructure architecture for the company's core business with acquisitions of HP BLADE, Storage EMC, BigIP F5 and DELL technologies. - Restructuring of the monitoring, operation and support teams for Okto products. - Creation of the information security area within the company. - Migration of the company´s datacenter from Telmex to Embratel in 2009.

As IT Manager reporting to the CTO, I was responsable for Infrastructure, Information Security and IT from the company. Achievements - Design, definition and update of the infrastructure architecture of Okto products (gateway SMS, billing/tariff platform). - Training and education of professionals for a better understanding of the company business. - Changes in Data Center projects, implementation of ERP, CRM, Intranet, Service Desk, SVN (subversion), SSO (Single Sign On) using LDAP standards.

Reporting directly to the CEO of the company, I worked as a account manager for telecoms carriers such as Claro, Telemig Celular and Amazônia Celular. Responsibilities: - Commercial negotiation, contract maintenance, innovations, new products / projects, strategic partnerships focused on SMP operators' white label products. - Dedicated commercial relationship for Claro in the Marketing VAS, IT, Engineering and Networks departments. Achievements: - Signing of the 15MM annual contract between SupportComm and CLARO for the Claro labeling white label project. - Signing of the annual 2.5MM contract between SupportComm and Claro for the Hot Zion project. - Commercial negotiation for the start of the business model for Mobile Advertising, Mobile Search, Auction Reverse SMS, SMS Interactivity.

As Project and IT Service Manager reporting to the IT Director, I led the "Claro Team" and I was responsable for managing projects and maintaining efficient operations and good relationship with the Marketing VAS, Engineering, Networks and IT areas of telecoms carriers Claro, Brasil Telecom and Telemig Amazonia Celular. Achievements: - Creation of the "Claro Team" in order to organize the operation with focus on the company's projects. - As leader of "Claro Team" we kept the contract of 15MM annually with carrier Claro, improving the relationship, operation and deliveries of white label projects. - Replacement of the third-party SimBrowsing platform by its own platform generating a saving of 6MM/year to the company.

As coordinator of engineering, I lead the support, deployment and configuration teams of VAS platforms for Fixed and Mobile Carriers. Achievements: - Implementation of procedures and documentation of operations, information security, DRP (Disaster Recovery Plan), monitoring systems (Failure Management, SNMP, Nagios, HP OpenView, Patrol). - Solutions and projects in UNIX environments, Sun Solaris, HP-UX, LINUX Red Hat / Fedora, MS Windows, Oracle, MS SQL, Open Source tools like Apache, Tomcat, JBOSS, OpenJMS, Java, Samba, PostgreSQL, MySQL, Nagios , Kannel, SMPP, WAP, TCP / IP, H323, SIP protocols.

Responsible for project deployments and supporting the operation of SupportComm systems distributed in São Paulo Goiânia, Curitiba and Brasilia. Achievements: - Claro: Claro Ideias WAP, WEB, SimBrowsing Portal (wap.claroideias.com.br), integration with the MSE, Zion LA 49955. - BRASIL TELECOM: URA Recorder, Mercuri / Middleware, VAS Brasil Telecom GSM (WEB, WAP, SIMbrowsing, MO), UMS (Unified Message System), Chat / URA, VEGA Audio Video Conference, Call Center / Computer Telephony Integration ) / URA. - TELEFONICA: Voice Portal LIGAKI, Call Center / URA - 102 Automation.

Reporting to the CIO of the company in the New York headquarters, I implemented the ERP (System85), infrastructure, WAN and LAN network of Canon of Brazil according to the standards and definitions by Canon USA Inc.