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Md Shakil Ahamed

Founder & Head of Sales Strategy at CallingAgency

12+ years helping B2B companies generate qualified appointments through strategic cold calling. Trained 200+ SDRs and managed campaigns across 15 industries.

1200+

Years writing on
outbound sales

12+

Guides
published

20

Industries
covered

About

Who writes these guides

Fahim Muntasir writes about outbound sales for B2B teams. He has covered cold calling, lead generation and appointment setting for [X] years. His articles turn phone-room tactics into clear steps.

 

Fahim does not write from theory. He works with CallingAgency’s SDR team directly. He pulls numbers from live campaigns and real client wins. Every claim points back to a named source.

 

He writes for operators, not for rankings. The goal stays simple. Give sales teams something they can use on the next call.

Experience

Career & Hands-On Background

2018 – Present

Founder & Head of Sales Strategy

CallingAgency

Built CallingAgency from scratch into a 2,100+ client operation. Personally designed the lead qualification framework, trained the SDR team, and led campaigns that generated $2B+ in closed
revenue for clients across solar, insurance, SaaS, janitorial, and merchant services industries.

2011 - 2014
Sales Development Representative

Outbound Sales Firm (Example) Started as a frontline cold caller handling 150+ calls daily. Learned gatekeeper navigation, BANT qualification, and CRM pipeline management first-hand — the foundation for every strategy used at CallingAgency today.

2011 - 2014
Sales Development Representative

Outbound Sales Firm (Example) Started as a frontline cold caller handling 150+ calls daily. Learned gatekeeper navigation, BANT qualification, and CRM pipeline management first-hand — the foundation for every strategy used at CallingAgency today.

How the work gets made

Research & sourcing approach

No certifications here. Just a standard every guide has to clear before it goes live.

1
First-party data leads

CallingAgency campaign results come first. Third-party stats only support underneath.

2
Primary sources only

Every number traces to a named original source. Recycled citations get cut.

3
Operator review

The sales team checks each guide for accuracy before publish.

4
Current and verified

Compliance and regulation claims get checked against the latest rules.

Credentials

Certifications & Training

Certified Inside Sales Professional

AA-ISP

Certified Inside Sales Professional

AA-ISP

Certified Inside Sales Professional

AA-ISP

Certified Inside Sales Professional

AA-ISP

Expertise

Industries & Topics

Accountability

Reviewed by an operator

Verified

Reviewed by [Founder Name], [Title] at CallingAgency. Every guide gets checked against real campaign results before it goes live.

Proven Results

Campaigns Led by James

Payment Processing

373 Appointments & 35% Conversion in 5 Months

373

Appoinments

$262K

Revenue

35%

Conversion

Janitorial Services

54 Appointments in 120 Days With 95% KPI Rate

54

Appoinments

$434K

Revenue

35%

KPI Rate

Health Tech

152 Appointments & 60% Growth in 7 Months

152

Appoinments

$135K

Revenue

60%

Conversion

Published Content

Articles by James

Apr 13, 2026
How to Generate Commercial Cleaning Leads with Multi-Channel Marketing
Apr 13, 2026
BANT Framework for Merchant Services Sales: In-Depth Insights
Apr 13, 2026
Is Cold Calling Dead? A Strategic Analysis (2026 Edition)
Apr 13, 2026
What Is Cold Calling in Real Estate? — Quick Guide
Apr 13, 2026
Cold Calling Flowchart: Tum Awkward Calls Into Sales
Apr 13, 2026
How to Master Cold Calling? Cold Calling Secrets Revealed
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