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These are the people that make Next Security your next security partner:

Bruno Marques


Entrepreneur since a young age, as a sophomore University student he saw an opportunity into the life safety and security industry and founded the company in 2012 in partnership with his brother Vinicius Marques on their college dorm.

Graduated in Finance and Accounting from the Temple University has worked at an early age in different business segments which defined him as a visionary and a passionate leader.

Bruno is fluent in Portuguese, English, and Spanish.

Vinicius Marques


In partnership with his brother Bruno, Vinicius founded the company in 2012 from their college dorm. Always with an entrepreneur mindset, Vinicius brings in technology innovations that help the company processes and immediately improve the way customers do business with Next security. Vinicius has a bachelor’s degree in business administration from Temple University and has worked in a variety of areas such as Logistics, Procurement, and Finance.

He is fluent in English, Spanish, and Portuguese, and some French.

Direct line: +1 (786) 485-1733

Yamilet Marin

Chief Operations Officer

She supports the whole business operations, as well as account receivables and human resources. With a bachelor’s degree in hospitality management from Florida International University, she has more than 15 years in business management and runs the day-to-day operations.

Yamilet is fluent in English and Spanish.

Amanda Costa

Secretary/Personal Assistant

Amanda has 8+ years of experience in supporting management as a secretary and personal assistant. Besides the board, she also assists clients and vendors at Next’s office in Brazil. She has a bachelor’s in international relations, besides graduating as a Bilingual Executive Assistant.

Amanda is fluent in Portuguese, English and has good knowledge of Spanish.

Bruno Maldonado

IT and Chief Engineer

Graduated in technology management from Universidade Paulista (UNIP – São Paulo/Brazil), he has +15 years of experience in technological infrastructure management. He is responsible for Next Security’s IT and Technical departments. Maldonado detains certifications on Microsoft, Fortinet, Bosch Fire Systems, Firelite, Silent Knight and Wheelock.

He is fluent in Portuguese, English, and Spanish.

Vanessa Calderon

Senior Account Manager

Vanessa leads, trains, and manages the sales team. She is responsible for overseeing team performance, establish best practices in customer service and growing existing relationships with customers.

Fluent in English and Spanish, she has +5 years’ experience in logistics, sales, and management.

Direct line: +1 (786) 485-1755

Jose Abril

Senior Account Manager

Responsible for the direct customer base assistance, Jose brings hands-on experience to the team. Prior to his current position, he worked as an installer and programmer of low voltage systems (CCTV, Home Theater Systems, Smart Lighting, Automation systems, etc). He also has worked in customer service and sales assistance.

He is fluent in English, Spanish, and Portuguese.

Direct line: +1 (786) 485-1756

Martino Serafini

Senior Account Manager

Working at the company since 2017, Martino is responsible to grow and manage Next Security's direct customer base. With experience in customer service and sales, Martino brings knowhow about the fire systems industry to help clients to choose the best solution to their needs.

Martino is fluent in English and has advanced knowledge of Italian.

Direct line: +1 (786) 485-1754

Luccas Aidar

Senior Account Manager 

Aidar is Next’s sales representative. He is responsible for the direct customer assistance. Started in the fire alarm market at age 16, and worked previously with Bosch. He has large technical sales knowledge and is certified in Edwards EST3, Siemens Fire Systems, Lenel, Bosch Fire Systems, Tyco, Vault and Aritech, among other brands in the market.

Fluent in English and Portuguese.

Direct line: +1 (786) 593-7386

Cristian Whang

Junior Account Manager

Cristian Whang is responsible for the direct customer assistance. Based in SĂŁo Paulo, he started his sales career at his family business from an early age. He worked in Australia as a sales representative and later in Korea as international export marketing.

Cristian is fluent in Portuguese, English, Spanish and Korean.

Direct line: +1 (786) 923-8686

Victor Oliveira

Junior Account Manager 

Victor is the Sales VP’ assistant. He is responsible for providing customer support and relationships. With experience in logistics and customer service in different market segments, he graduated in international business at UMESP and has a master's degree in supply chain management from FECAP.

Victor is fluent in Portuguese and English.

Direct line: +1 (786) 593-7384

Aghata ReimĂŁo

Online Sales Manager

Aghata is responsible for online sales at the company's website. With experience in administration and events, she has a marketing extension from FGV/SP.

She speaks fluently Portuguese and English.

Eduardo Filho

Account Manager

Eduardo is responsible for providing customer support and sales assistance. He has worked directly with customer support and management, operations, and sales, in different segments, such as logistics and IT, and has established relationships with customers from several different countries in the world.

Eduardo is fluent in Portuguese, English and French.

Direct line: +1 (786) 885-0699

Sidney Pontebasso

Account Manager

Sidney is responsible for direct customer assistance. He began his sales career with multi-level marketing and also holds a degree in business administration.

Sidney is fluent in Portuguese and English.

Direct line: +1 (786) 485-1751

Omar Acosta

Warehouse Manager

Omar is Next’s warehouse manager. He oversees the warehouse team and coordinates all operations and procedures, supervising the receiving and allocating departments along with the shipments of all orders, small and large.

Omar is fluent in Spanish and English.

Thiago Gonçalves

IT Specialist

With more than 15 years of experience with development and implementation in the retail sector, Thiago is responsible for IT support for the São Paulo office. Graduated as Systems Analysis and Development and currently studying IT management at Universidade Cidade de São Paulo (UNICID – São Paulo/Brazil).

Cielo Franklin

Logistics Manager

Working at Next Security since 2019, she started as an administrative assistant and due to her proactivity and initiative was promoted to handle the logistics part of our Company.

Cielo has an associate degree in Criminal Justice and is fluent in English and Spanish.

Direct line: +1 (786) 788-5599

Lily Herrera

RMA Manager

Lily is responsible for creating and completing both client and vendor’s RMAs process (return merchandise authorization process). She is also the person who assists customers with any issues/problems they might have with the units they purchased.

She is fluent in English/Spanish.

Kevin Gois

Account Payable Manager 

Kevin is responsible for ensuring the up-to-date payments of bills, always looking for the best deals and savings options that will promote the best prices while providing a stable cash flow. Kevin brings his experience as a financial specialist that already worked on big and small enterprises, has deep experience on all administrative processes for companies, including, but not limited to AP, AR, Audit, Bank process, Credit card reconciliations, creation and standardization of processes, training and management.

Kevin is fluent in English and Portuguese.

Fernando Celeghim

Fire and Security Engineer 

Fernando is the fire and security engineer responsible for technical support for sales and strategic accounts with 13 years in the electronic security segment with an emphasis on detection, alarm and firefighting systems.

Fernando is fluent in Portuguese, English and Japanese.

Phone Number: +1 (786) 465-6121

Thais Santana

Purchase Manager 

Thais Santana is the Purchase manager at Next Security. Thais leads the team on all tasks such as placing orders, follow-up with vendors, inventory control and pricing. Responsible for the international and national purchasing negotiation with focus on process improvement and cost reduction. Foreign Trade professional with a bachelor’s degree in international business, she has 10 years of experience coordinating import and export shipments, working with sea and air shipments, processes from the Miami - USA and Europe, placing orders with vendors, follow-up and negotiation of international and national purchasing.

Thais is fluent in English and Portuguese.