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Sebastian

Sales and Customer Service Professional with 8+ years in B2B/B2C sectors

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Cali, Valle del Cauca Department, Colombia
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Competencies

Sales Strategy & TechniquesAdvanced

Applied sales strategies including cold calling, upselling, cross-selling, and objection handling to achieve sales targets.

Customer Relationship Management (CRM)Advanced

Managed and leveraged CRM platforms like Salesforce and databases to maintain customer information and improve engagement.

Team Leadership & TrainingAdvanced

Led and mentored sales teams, developing strategies and training programs to enhance performance and communication.

Customer Service & SupportExpert

Provided efficient post-sales and technical support across multiple companies, ensuring customer satisfaction and retention.

Communication & Negotiation SkillsExpert

Handled inbound/outbound calls, escalations, and negotiations with clients and suppliers to foster strong relationships.

Education

Certificate
LinkedIn
Completed 2025
Course
Universidad San Buenaventura
Completed 2025
Certificate
SENA, Bogota D.C
Completed 2023
Course
Adcomm
Completed 2024
Engineering
Universidad del Valle
Completed 2019

Languages

EnglishBilingual
SpanishBilingual

Summary

Dedicated sales and customer service professional with over 8 years of experience in B2B and B2C environments. Skilled in CRM management, team leadership, and sales strategies to drive business growth and customer satisfaction.

Key Achievements

  • Led a sales team at Adcomm MDU Services, creating strategies that enhanced customer engagement and sales performance.
  • Performed quality assurance and chatbot optimization at Zero to One, supporting client accounts and improving AI interaction accuracy.
  • Provided post-sales support, inventory advising, and order processing, ensuring customer satisfaction and loyalty across Canada with Gravel Agency.

Experience

Post Sales Agent

Zero to One
Sept 2025 - Currently

Trained and continuously refined a web-integrated AI chatbot supporting sales and customer service operations., Performed quality assurance on chatbot conversations across 30+ client accounts, ensuring accuracy, tone, compliance, and correct escalation behavior., Reviewed real customer interactions...

Post Sales Agent

Gravel Agency
Aug 2024 - Sept 2025

Provide warranty and post-sales support for B2B and B2C customers across Canada., Advise customers on parts and accessories, generate sales quotes, and process new orders., Manage inbound/outbound calls, emails, and escalations with suppliers and manufacturers., Document sales requests and onboard...

Sales Team Leader and Backoffice Analyst

Adcomm MDU Services
Jul. 2023 - May 2024

Led a sales team, creating strategies to approach potential B2B customers., Provided post-sales support, scheduling technicians, and resolving escalations., Delivered consistent sales results through upselling and customer relationship management., Trained and mentored new hires, boosting team...

Logistics Coordinator

Lean Staffing
Oct 2022 - Jul 2023

Customer Service Representative

Alorica
Jan 2022 - Oct 2022

B2B Post Sales Service Agent

Alorica
Jun 2022 - Oct 2022

Customer Service Representative

Sitel
Sep 2020 - Jan 2022

Subject Matter Expert

Sitel
Jan 2021 - Jan 2022

Customer Service Representative

Sitel
Oct 2018 - May 2020

Skills

Sales Strategy & TechniquesCustomer Relationship Management (CRM)Team Leadership & TrainingCustomer Service & SupportCommunication & Negotiation Skills
Published on CazVid - May 17, 2026
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