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Mario  G.
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Mario G.

Senior CSM | Head of Sales | A. Executive | Marketing Spec | BDR-SDR

🚀 Customer Success Leader specialized in SaaS retention, expansion, and revenue growth. I help B2B companies reduce churn, improve onboarding, and scale customer success operations that drive measurable business impact. With experience across Sales, Marketing, and Customer Success, I bring a full-funnel perspective focused on maximizing customer lifetime value, accelerating growth, and improving customer experience. 📈 Throughout my career, I’ve consistently delivered strong outcomes across Sales, Marketing, and Customer Success: ✅ 3,500+ Support Calls Managed As a Senior Customer Success Manager, I’ve handled high-volume support calls for SaaS and B2B companies, resolving sales and lead-generation challenges for clients across the US, Canada, and Europe. ✅ 500+ Demos Booked (BDR | SDR) I specialize in identifying, qualifying, and engaging high-quality B2B leads, resulting in 500+ demo calls booked through structured outbound strategies. ✅ 750+ Demos Conducted By deeply understanding prospects’ pain points and business goals, I’ve led more than 750 demos, clearly communicating value propositions and increasing close rates. ✅ $700,000+ USD in Sales Pipeline Generated I have a proven ability to nurture leads, convert them into qualified opportunities, and consistently grow strong, healthy sales pipelines. ✅ Led a Company to Its First $1M in Revenue As a Marketing and Sales Strategy Specialist, I helped guide my previous company to its first $1 million revenue milestone through data-driven marketing, sales alignment, and funnel optimization. 📧 Email Marketing & LinkedIn Outreach Expertise I have hands-on experience building and managing outbound email campaigns and designing LinkedIn outreach strategies for B2B companies with strong measurable results. I’ve worked with cold email systems, segmentation, personalization, follow-up sequences, and AI-powered workflows to improve deliverability, response rates, and meeting generation, while keeping outreach human, compliant, and conversion-focused. 🌟 My experience spans B2B and B2C, with strong expertise in Customer Success, Sales Funnels, Outbound & Inbound Marketing, lead generation, lifecycle management, and automation. I focus on building scalable systems that drive growth, retention, and long-term customer value. With a passion for entrepreneurship and a proven track record of delivering measurable results, I’m excited to collaborate with ambitious teams and growth-focused companies.

🇨🇴Medellin, Colombia$35/hr100% JSS5.00 (5)Since Sep 2023
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Earnings and projects

MRR
$683

Last 6 months ÷ 6

World#64,701 / 412k
🇨🇴Country#869 / 4,578
Revenue, last 30 days
$300

Last 6 months: $4.1k

World#74,248 / 412k
🇨🇴Country#941 / 4,578
Total earnings
$7.4k

Billed in all: $8k

World#221,285 / 412k
🇨🇴Country#2,550 / 4,578
Per project
$1.2k

$1.4k in the last 6 months

World#108,259 / 412k
🇨🇴Country#1,179 / 4,578
Projects, last 6 months
3
33% fixed67% hourly
World#66,482 / 412k
🇨🇴Country#521 / 4,578
Projects in all
6

Across 12 contracts

8% fixed92% hourly
World#250,293 / 412k
🇨🇴Country#1,649 / 4,578

Earnings, last 30 days

$8k+$300 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$7.6k$7.8k$8.0kOct 9Oct 24Nov 8

Skill rankings: Top 13% in Email Copywriting

Ranked by MRR among everyone on Upwork with the skill.

  1. #45Email Marketing Platform Support237 freelancers · 🇨🇴 #1Top 19%
  2. #69Sales Coaching337 freelancers · 🇨🇴 #5Top 20%
  3. #116Marketing Advertising760 freelancers · 🇨🇴 #1Top 15%
  4. #170Email Campaign Optimization828 freelancers · 🇨🇴 #2Top 21%
  5. #239Sales Strategy1,043 freelancers · 🇨🇴 #6Top 23%
  6. #334Customer Onboarding1,245 freelancers · 🇨🇴 #6Top 27%
  7. #363Email Campaign1,929 freelancers · 🇨🇴 #3Top 19%
  8. #472Email Campaign Setup2,501 freelancers · 🇨🇴 #5Top 19%