Congero, v. (kon-JER-ō) {Latin}

to bring together, compile, accumulate

Why Congero?

Working with Congero Technology Group

At Congero Technology Group, we combine cutting-edge ideas with proven dependability.

We understand that no two businesses are alike, we’ve built a diverse team of 35 team members from around the world. When our team is on site, we have one mission: to deliver a unique billing solution that increases revenue for your company.

Our process is transparent, and we’re honest about what works and what doesn’t. We know every member of your team is critical to understanding your business needs, and we treat them that way—from the CEO to the administrative assistant.

When you work with Congero Technology Group, your team becomes our team. Your goals become our goals. And our successes become yours.

Team Members



Years in Business


Our international headquarters

Reston, USA

Toronto, Canada

Queretaro, Mexico

Bangalore, India

San Jose, Costa Rica

Solna, Sweden

Our Story

Over the Years


Thomas Cong left Portal Software and started an independent consulting business for customers such as GM Onstar and Sirius XM


Oracle acquired Portal Software and renamed it Oracle Billing and Revenue Management


Ebillsoft incorporated in Fairfax VA by Thomas Cong and Jorgen Jensen. Ebillsoft became Oracle Gold Partner and started delivering BRM implementation services. 


Ebillsoft started business in Canada


We recognized the need for cloud-based solutions Ebillsoft embarked on BRMbox cloud billing platform based on Oracle BRM


We opened our first R&D center in Bangalore India


Ebillsoft Mexico opened our first office in Latin America


We re-launched as Congero Technology Group


Congero started a consulting delivery team in Costa Rica

the team

Meet our team members

North America

Thomas Cong

President & CEO

Alexander Bramford

Senior Consultant

Mukesh Varikallu

Principal Consultant

Michael Wang

Principal Consultant

Alejandro Zamudio

Senior Consultant

Kamal Bhasin


Loc Tran


Quyen Dao


Tina Huynh

Marketing Coordinator

Mike Cong

Training Lead

Saikat Sen


Mayank Jain


Vinodini Kallepalli


Latin America

Francisco Herrera

Country Manager

Cosijopii Cruz

Consultant – Senior level

Ramiro Ruiz

Consultant – Senior level

Luis Chong

Principal Consultant

Luis Lopez

Principal Consultant

Gaston Molero

Principal Consultant

Alexander Salazar

General Manager

Adrian Rocha

Technology Lead

Randal Vargas

Consultant – Lead

Saray Mora

QA Engineer – Mid Level

Ericka Solorzano

QA Engineer – Senior Level

Guillermo Romero

QA Engineer – Lead

Sharon Solano

HR Lead

Erick Salas

QA Engineer – Mid Level

Ruben Arias

Consultant – Senior Level

Alex Muir

Project Manager Principal

Richard Solano

Delivery Lead

Michelle Fallas

QA Engineer – Senior Level

Yariela Vargas

Human Resources Assistant

Alejandro Sibaja

QA Engineer – Mid Level

Nairobi López

Regional Sales Executive

Andres Madrigal

Consultant – Mid Level

Alonso Bolaños

Regional Pre Sales Manager LATAM

Minor Cascante

QA Engineer – Mid Level

Diana Quesada

QA Engineer – Mid Level

Daniela Ortiz

QA Engineer – Senior Level

Kenneth Soto

QA Engineer – Mid Level

Leidy Sandí

Marketing Lead

Gerson Sanchez

QA Engineer – Senior Level

Jairo Valverde

Accounts Receivable Analyst

Victor Cordero

QA Automation – Senior Level

Johanna Sarmiento

SFDC Product Owner

Kemily Cordero

SFDC Product Owner

Catalina Barrantes

Marketing Designer Developer – Junior

Verni Escalante

Senior APEX Developer

Mariano Quiroga

Business Solution Architect

José P. Porras

Mid APEX Consultant

Pacific Asia

Anupam Banerjeer

Country Manager

Priyanka Bhola

Senior Consultant

Mahantesh Hiremath

Consultant – Senior level

Divya Hemnani

Consultant – Senior level