Breaking BizDev

Who Should Own BD? Sales Reps vs. Doer-Sellers

• John Tyreman & Mark Wainwright • Season 1 • Episode 90

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0:00 | 33:39

When a professional services firm outgrows the founder's ability to sell, firm leaders face a critical decision: should they hire full-time sales reps, or train technical experts to become doer-sellers? 

In this episode of Breaking BizDev, John Tyreman and Mark Wainwright break down the trade-offs of dedicated sales roles versus doer-sellers, explain how to avoid the frustrating "Rainmaker Silver Bullet Death Spiral," and reveal why your business development structure depends on your target clients rather than internal preferences.

In this episode, you'll learn:

  • The structural differences between 100% unbillable sales reps and split-role technical experts.
  • Why hiring an expensive sales "silver bullet" leads to high activity, low contract results, neglected client contacts, and eventual frantic scrambling.
  • How doer-sellers leverage direct technical experience and past project anecdotes to build trust without handoff friction.
  • Addressing the "not what I signed up for" pushback and stopping BD from getting buried under billable work.
  • How to map seller profiles against client buyer types—from peer technical experts to multi-layered procurement teams.
  • Why small-to-mid-sized firms thrive with doer-sellers, while enterprise clients with procurement layers require dedicated sales professionals.

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