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Jayson Crebillo

@jaysoncrebillo

Cold email specialist at Amazing Marketing Co. who managed campaigns reaching 500K monthly sends.

At Amazing Marketing Co., I managed cold email infrastructure and campaigns reaching 100K–500K monthly sends. I configured email authentication and DNS, maintained mailbox warm-up and deliverability, and supported campaigns with approximately 90–94% inbox placement.

Through freelance client work on Upwork, I planned and managed 100+ outbound campaigns and supported infrastructure spanning 250+ domains and 1,000+ mailboxes. I also built prospecting operations for databases exceeding 5M contacts and generated 100+ meetings or bookings.

At TurnTable Tickets, I closed a $100,000 outbound sales deal after progressing 60+ meetings from a targeted pool of 500+ contacts. My work also includes lead generation and email marketing at LiveOutfitters and PPC Geeks Ltd, where I contributed to revenue-generation efforts.

Experience

Work history, roles, and key accomplishments

Freelance Cold Email & Lead Generation Contractor

Upwork

Apr 2009 - May 2026 (17 years 1 month)

Delivered 31,000+ hours of client work specializing in cold email, lead generation, outbound sales, and email infrastructure. Managed 100+ campaigns and infrastructure with 250+ domains and 1,000+ mailboxes, achieving high inbox placement and low bounce rates.

Cold Email Lead Generation Outbound Sales Email Infrastructure Google Workspace Microsoft 365 Azure AWS Private SMTP SPF DKIM DMARC VMC BIMI Apollo.Io Instantly.Ai Smartlead.Ai Lemlist Reply.Io Clay GoHighLevel HubSpot

Cold Email Marketing Specialist

Amazing Marketing Co.

May 2024 - Aug 2025 (1 year 3 months)

Managed cold email infrastructure for high-volume outbound campaigns, configuring SPF, DKIM, DMARC, DNS, and mailbox settings. Supported campaigns generating 100K–500K monthly sends with 90–94% inbox placement and sub-2% bounce rates.

Cold Email Email Infrastructure Deliverability SPF DKIM DMARC DNS Google Workspace Microsoft 365 Email Warm Up List Hygiene Campaign Optimization

Lead Generation / Email Marketing Specialist

LiveOutfitters

Jun 2023 - Feb 2024 (8 months)

Built email marketing infrastructure and outbound campaign strategy from the ground up, aligning architecture with audience and deliverability requirements. Managed prospecting, campaign execution, and performance monitoring.

Email Marketing Campaign Strategy Deliverability Prospecting Performance Monitoring

Lead Generation Specialist / SDR / Email Marketer

TurnTable Tickets

Jul 2022 - Dec 2023 (1 year 5 months)

Closed a $100,000 outbound sales deal through targeted prospecting and email outreach. Managed a 90-day sales cycle, progressing 60+ meetings from a pool of 500+ contacts.

Lead Generation Outbound Sales Email outreach Prospecting CRM Sales Pipeline Management

SDR / Lead Generation & Email Marketing Specialist

PPC Geeks Ltd

Jun 2019 - Jul 2023 (4 years 1 month)

Contributed approximately $600K+ in revenue through outbound lead generation and sales development. Generated 50+ leads/meetings and contributed to the company's first $1M+ in revenue.

Lead Generation Outbound Sales Email Marketing ICP Development Prospecting Campaign Optimization