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David Koster Email & Phone Number

Executive Operations Leader Focused in Sales Management, Process Improvements, & Strategic Business Development to Drive High-Percentage Revenue Increases at Abacus Plumbing, Air Conditioning & Electrical
Location: Houston, Texas, United States 7 work roles 2 schools
1 work email found @serviceexperts.com LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

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Role
Executive Operations Leader Focused in Sales Management, Process Improvements, & Strategic Business Development to Drive High-Percentage Revenue Increases
Location
Houston, Texas, United States

Who is David Koster? Overview

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Quick answer

David Koster is listed as Executive Operations Leader Focused in Sales Management, Process Improvements, & Strategic Business Development to Drive High-Percentage Revenue Increases at Abacus Plumbing, Air Conditioning & Electrical, based in Houston, Texas, United States. AeroLeads shows a work email signal at serviceexperts.com and a matched LinkedIn profile for David Koster.

David Koster previously worked as Vice President of Growth at Abacus Plumbing, Air Conditioning & Electrical and Division Manager of Electrical and HVAC at Abacus Plumbing, Air Conditioning & Electrical. David Koster holds Bachelor'S Degree, Liberal Arts from University Of Houston.

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{first}.{last}@serviceexperts.com
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Profile bio

About David Koster

With advanced experience in operations & sales management, I have been integral to implementing emerging process improvements & driving strategic business development efforts, resulting in organizational growth as well as multi-million-dollar revenue generation. It is my passion to utilize my expertise in vision development & business strategy while focusing on operational optimization. As a leader, I am consistently developing high-performing talent, impacting business transformations, & exceeding organizational goals.Key Highlights Include:✅ Coordinate sourcing and introduced a new regionwide dispatching and accounting software platform to replace an underperforming system, strengthen processes, and provide seamless financial management, leading to an escalation in daily appointments for the service technician teams by 65% from approximately 20 to 33 daily✅ Initiated the transition from manual to automated processes, increasing corporate transparency and reducing annual administrative labor costs by 39.5%, from $258K to $156K✅ Built and led a cross-functional team of 120+ sales, accounting, administrative, and general labor specialists through the planning, execution, and management of strategic sales and marketing initiatives, customer engagement, and operations programs, achieving a ranking in the top 1% of business segments globally as #14 out of 2K operational firms for profitability✅ Performed sales training and mentored the sales force team and traveled across the US to coach General Managers, Regional Managers, and Executives on business and sales best practices, escalating average monthly sales by 117%, from $460K to $1M, and exceeding industry benchmarks in profit margins✅ Cultivated trusting relationships with High-Net-Worth clients by gaining insight into key buying factors and customizing marketing presentations and value propositions to strategically negotiate favorable terms and mitigate objections, resulting in securing $2M in salesContact me through this profile if you wish to connect.

Listed skills include Team Building, Customer Service, Training, Sales, and 16 others.

Current workplace

David Koster's current company

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Abacus Plumbing, Air Conditioning & Electrical
Abacus Plumbing, Air Conditioning & Electrical
Executive Operations Leader Focused in Sales Management, Process Improvements, & Strategic Business Development to Drive High-Percentage Revenue Increases
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7 roles · 20 years

David Koster work experience

A career timeline built from the work history available for this profile.

General Manager (Gm): Sales And Business Operations

Richardson, Texas, US

  • Lead a team of 35-40 members and oversee integrated business operations, consisting of sales, customer service, marketing, logistics, budgeting/P&L, staffing, strategic planning, and procurement
  • Reorganized workflow processes, consolidated roles, and hired new and passionate talent, resulting in establishing synergy to drive overall performance while reducing management salaries by 42.2%
  • Coordinate sourcing and introduced a new region wide dispatching and accounting software platform to replace an underperforming system, strengthen processes, and provide seamless financial management, leading to an.
  • Established a weekly closeout cycle and aligned all team members with their specific roles to improve clarity of responsibilities, significantly lowering invoice payment times by 84.4%, from 45 to 7 days
  • Spearheaded the migration of the Regional Headquarters to a new location after being stationed in the same region for the past 30 years to penetrate a larger customer segment
  • Initiated the transition from manual to automated processes, increasing corporate transparency and reducing annual administrative labor costs by 39.5%
Jun 2021 - Nov 2022

General Manager (Gm): Sales And Business Operations

Houston, TX, US

  • Earned multiple promotions throughout tenure, starting as a salesperson and moving into sales management within 1 year, advancing to senior sales manager, and finally into sales and operations management, successfully.
  • Built and led a cross-functional team of 120+ sales, accounting, administrative, and general labor specialists, achieving a ranking in the top 1% of business segments globally as #14 out of 2K operational firms for.
  • Performed sales training and mentored the sales force team and traveled across the US to coach General Managers, Regional Managers, and Executives on business and sales best practices, escalating average monthly sales.
  • Cultivated trusting relationships with High-Net-Worth clients by gaining insight into key buying factors and customizing marketing presentations and value propositions to strategically negotiate favorable terms and.
  • Instituted in-house accountability measures and adhered to a strict follow-up protocol for contacting customers within 24 hours of service, boosting customer satisfaction by 21%, from 800 to 971
  • Collaborated with a Shared Responsibility Team (SRT) to realize missed deliveries, recovering $1M in lost sales revenues and establishing the initiative as a national best practice
2015 - 2020 ~5 yrs

General Manager

Houston, TX, US

  • Led the operation to close maximum sales contracts to drive revenue/profitability growth while improving customer satisfaction scores, fostering teamwork, and capitalzing on cost savings initiatives.
  • ️ Steered the operation to close 6500+ new sales contracts annually and exceed aggressive revenue/profitability quotas while increasing market share through numerous initiatives. Highlights Included✅ Provided sales.
  • ️ Hired, onboarded, trained, and managed a multidisciplinary team, including sales, accounting, administrative, and general labor professionals, while providing positive and servant leadership.
  • ️ Sourced and managed third-party vendors/suppliers able to provide quality products and inventories at best pricing.
  • ️ Traveled the nation to Train General Managers, Regional Managers, and Executives on business/sales best practices.
2011 - 2014 ~3 yrs
2 education records

David Koster education

Bachelor'S Degree, Liberal Arts

University Of Houston

Executive Leadership Training Certificate Program

Cornell University
FAQ

Frequently asked questions about David Koster

Quick answers generated from the profile data available on this page.

What company does David Koster work for?

David Koster works for Abacus Plumbing, Air Conditioning & Electrical.

What is David Koster's role at Abacus Plumbing, Air Conditioning & Electrical?

David Koster is listed as Executive Operations Leader Focused in Sales Management, Process Improvements, & Strategic Business Development to Drive High-Percentage Revenue Increases at Abacus Plumbing, Air Conditioning & Electrical.

What is David Koster's email address?

AeroLeads has found 1 work email signal at @serviceexperts.com for David Koster at Abacus Plumbing, Air Conditioning & Electrical.

Where is David Koster based?

David Koster is based in Houston, Texas, United States while working with Abacus Plumbing, Air Conditioning & Electrical.

What companies has David Koster worked for?

David Koster has worked for Abacus Plumbing, Air Conditioning & Electrical, Service Experts Heating & Air Conditioning, and Service Corporation International.

How can I contact David Koster?

You can use AeroLeads to view verified contact signals for David Koster at Abacus Plumbing, Air Conditioning & Electrical, including work email, phone, and LinkedIn data when available.

What schools did David Koster attend?

David Koster holds Bachelor'S Degree, Liberal Arts from University Of Houston.

What skills is David Koster known for?

David Koster is listed with skills including Team Building, Customer Service, Training, Sales, Coaching, Sales Management, Customer Satisfaction, and Public Speaking.

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