Even when you are a small startup you still need to follow the steps of the champions if you want to succeed in the long run.

Even if you don‘t have enough people yet, you at least need to
understand what functions your limited hires should be doing now and how
they need to interact with each other.

Here are examples of 2 champion types of growth teams worth following.

#1. Independent Model organized by AARRR metrics (Uber, Facebook):

1.1. CEO → VP Growth → Departments:

1.2. Acquisition: Product manager, Engineer, Designer, Data scientist, Marketing.

1.3. Activation: Product manager, Engineer, Designer, Data scientist, Marketing.

1.4. Retention: Product manager, Engineer, Designer, Data scientist, Marketing.

1.5. Revenue: Product manager, Engineer, Designer, Data scientist, Marketing.

1.6. Referral: Product manager, Engineer, Designer, Data scientist, Marketing.

#2. Functional Model (Pinterest, Dropbox, Twitter):

2.1. CEO → VP Product → Departments:

2.2. Signups: Product manager, Engineer, Designer, Data scientist.

2.3. Onboarding: Product manager, Engineer, Designer, Data scientist.

2.4. Notifications: Product manager, Engineer, Designer, Data scientist.