Advanced Google Sheet for Lead Management

I am seeking an expert in Google Sheets to design and implement a comprehensive and organized solution for managing sales data, client contact information, and project progress, with an added focus on telemarketing applications.

Key Responsibilities:
- Create a system for tracking pending leads and appointments in Google Sheets
- Organize leads by client name, lead source, lead status
- Track fulfilled and unfulfilled appointments
- Deduct remaining appointments from client's package

Ideal Candidate:
- Proficient in Google Sheets
- Knowledgeable in sales and telemarketing industries
- Understands advanced data organization and tracking methodologies
- Attention to detail and accuracy in data entry and management