20,000 Executive Emails Needed

I need a clean, fully verified list of 20,000 executive-level email addresses. The emphasis is strictly on contact details—no phone numbers or physical addresses—so every record must contain an accurate email for a senior decision-maker (C-suite, VP, Director or equivalent)... (Budget: $30 - $250 USD, Jobs: CRM, Data Collection, Data Entry, Data Management, Data Scraping, Email Marketing, Lead Generation, Market Research)