David Zeff ✌️

Head Of Sales

Whistle

Our global team of over 100 Whistlers has supported over 300 B2B companies, many of whom have gone on to raise a total of over $2Bn or have been acquired. In a given month we deliver over $15M in qualified pipeline for our clients using a combination of cutting-edge technology, evidence-based systems, and world-class talent. 

Whistle is built on the principles of integrity, transparency, and deploying best practices at all times. 
We work with fast-growing tech companies needing an outsourced SDR provider as well as enterprise companies looking to offshore vetted and skilled Marketing and Sales talent, with native English, German, French, Spanish, Portuguese, and Mandarin speakers that are ready to grow your company.

You can learn more about how we help businesses grow at www.whistle.ltd.

Chief Executive Officer

Sinorbis

Strategic Advisor tasked with building a world class enterprise sales team and sales development process to ensure that key business objectives are met. Working directly alongside the CEO, VP Marketing and VP Business Development to create a scalable sales process, and facilitate the training and onboarding of account executives and business development representatives.

Strategic Advisor, Board Member

Exceed.ai - Exited to Genesis

In my role as Head of Sales at Exceed, I built the entire end to end sales process and was responsible for all sales, processes, operations, creating the company’s first marketing, sales, product and support alignment and building strategic partnerships.  

My role also saw me working closely with investors, as we raised a $4M Series A & subsequently were acquired by Genesys.

Graduway - Exited to K1 Investment Management

Responsible for the creation and management of Graduway's North American business unit. My role included leading a team of account executives and sales development representatives to exceed company sales targets in key verticals. 

In my role, I was also responsible for creating the K-12 category, which became the highest performing category in the company and for creating and managing teams for both the K-12 and Enterprise divisions. I was also tasked with creating partnerships with key stakeholders & regularly lead thought leadership sessions around the world.

Experience in enterprise sales, creating targeted marketing campaigns, public speaking, brand ambassadorship, partnerships, conference exhibitions and strategic campaigns.

With thanks in part to the performance of my team, Graduway successfully raised $12.7M in Series B Funding from Susquehanna General Equity Partners and was purchased by Private Equity firm K1 Investment Capital in 2017.

Vice President of Sales, USA

Graduway

As employee #8 (3rd sales hire), I was involved in many aspects of growing the company from its modest beginnings above a coffee shop to becoming a leader in Alumni Engagement technology, empowering over 1,000 of the worlds best Higher Education and Non Profits.

I served as an account executive across North America and the UK and my personal contribution represented approximately 25% of total company sales. Responsibilities included B2B enterprise SAAS sales, contracts, RFPS, competitor analysis, strategic campaign development, client management and liaison, event management, exhibitions, public speaking and conferences.

Senior Account Executive

Vice President of a team of 15 Sales Development Representatives for B2B sales across global markets. 
Responsibilities included hiring, training, and development of Sales Development Representatives, team management, creation and accomplishment of targets in line with company objectives, campaign creation, and inbound marketing strategy, overseeing registration for multiple events with hundreds of attendees across the world.

VP Sales Development

OneFitStop - Exited to Private Investors

OneFitStop is a revolutionary SAAS platform for fitness professionals, enabling total client and business management. OneFitStop was awarded an Australian Government Research and Development Grant in 2013 and has raised $17M to date.

Responsibilities included founding the business, concept development, technology design and creation, product testing, marketing strategy and implementation, sales development, investor relations, industry partnership development, supplier management, sponsorship and exhibitions.

OneFitStop was sold in October 2015 to a consortium of private investors.

Co-Founder, CEO 

Fitness First Australia

Responsibilities included development of a new Fitness First training centre, providing high quality health and fitness services to hundreds of members and assisting in the management of the personal training team and member relations.

I also worked alongside Rebel Sport and Lorna Jane to promote fitness services to hundreds of customers.

Franchise Owner

Mergermarket

Responsibilities included analysing and predicting market trends, specialist reporting on forthcoming mergers and acquisitions in the Australian marketplace in the services, defence and manufacturing industries.

Financial Reporter

With over 10 years of selling technology to hundreds of SMB and Enterprise companies across multiple sectors, I have begun to wrap my head around the art of sales. 

I've been a part of 3 exits - one as a founder and two as a founding sales lead. I'm a people person, who loves to connect, lead, share experiences, coach, strategize and implement. I enjoy writing and sharing ideas and look to work with sales leaders and founders who are creating the impossible.

I have built and scaled full cycle business units and as an individual contributor, I have signed large enterprise deals with over 500 companies. 

I take that knowledge into Whistle, a revenue generation company supports over 150 customers through best practice sales and marketing. We offer the best people, processes and full transparency and are proud to work with leading B2B brands worldwide. To learn more, head to www.whistle.ltd

Businesses, much like rockets, either reach the moon or blow up. 
We're here to prevent the latter.

Whistle is built on the principles of integrity, transparency and deploying best practices at all times. Our goal is to help each of our clients to their next 100 B2B customers and we do so by attracting conversation ready prospects to our customers using a combination of cutting edge technology, evidence based systems and world class talent. You can learn more about how we help promising businesses grow at www.callwhistle.com.

RepMove

Senior Sales Account Executive

My Coach Bre

My Coach Bre offers a comprehensive coaching service specializing in fitness, mindset, and healthy lifestyle. With personalized fitness coaching, clients receive customized workout plans and exercise guidance for individuals of all levels. Coach Bre's mindset coaching helps clients set achievable goals, overcome obstacles, and develop a positive and resilient mindset. Emphasizing holistic wellness, their healthy lifestyle coaching includes personalized nutrition plans, stress reduction techniques, and self-care strategies. Clients benefit from ongoing support and accountability through various coaching options, such as one-on-one sessions and virtual coaching. My Coach Bre's mission is to empower individuals to achieve their fitness goals, cultivate a positive mindset, and adopt a sustainable and healthy lifestyle.

Transformation Catalyst: Fitness, Mindset, & Lifestyle Coach

Orangetheory Fitness | Afterburn Coaching

Sports Coach

AdvoCare

⏺Advocare Independent Distributor, consistently performing in company’s top 5% earners (2015-present)
⏺Top .19% national performer out of 325K distributorships in my tier
⏺Maximize relationships with clients to identify new revenue opportunities
⏺Passionate about educating clients using engaging and entertaining methods, to enable maximum 
results
⏺Implemented a strategic approach to lead generation, leveraging Customer Relationship Management (CRM) for data trends to ensure goals were exceeded

National Sales Leadership Team Lead

DOXA Talent

At DOXA Talent, we specialize in scaling up businesses with global talent. We specialize in providing ethical outsourcing solutions that attract and retain top talent. Our approach, known as Conscious Outsourcing™, ensures that our team members receive comprehensive benefits within a flexible work-from-home framework, prioritizing their well-being and development.

We stand out by being direct employers and long-term partners, never misclassifying our team as contractors. Our transparent pricing model includes no initiation or recruitment fees and is supported by our Build-Operate-Transfer (BOT) strategy and a flexible 30-day termination policy.

DOXA Talent operates without physical offices, fostering a fully digital work environment that eliminates commuting and enhances our employees' quality of life. This remote setup allows us to recruit based on skills rather than location, offering our clients unparalleled candidate selection and extremely low turnover rates.

We provide tailored talent solutions, rejecting a one-size-fits-all approach to ensure the right talent is placed in the right role from the outset. Our advanced AI helps us find and assess candidates quickly, ensuring a perfect match. Additionally, we prioritize maximum data protection, recognizing the critical importance of data security for our clients.

By embracing remote work ourselves, we guide our clients through seamless remote transitions, viewing this as essential for the future of work. At DOXA Talent, we are dedicated to being the conscious choice for global talent solutions.

Sales Director

Whistle Brand Ambassador

Account Executive

Conceal

Led training and enablement for enterprise and inside sales of a cybersecurity
product.
Active in the sales process in cybersecurity sales and the training of the sales
process.
Worked directly with the leader of the partnership program and channel sales in
incepting the sales process.
Created agreements and engaged enterprise and inside sales process for
channel and partnership sales.
Conference attendance for lead generation in direct sales and channel sales.

Sales Operations Specialist

RevGenius

Developed and maintained strategic partnership relations between the RevGenius community and various companies in the SaaS space.

Partnerships Manager

CIENCE

⏺ IT Engineering Project Manager using an Agile SCRUM framework is in charge of planning and coordinating engineering initiatives to make sure the team can complete projects within budget and according to a schedule.
⏺ Proficient in Jira Software, Service Management, and Confluence. 
⏺ Lean Six Sigma White Belt Certified

IT Engineering Project Manager

⏺ 1st VSDR at CIENCE
⏺ Recruited and hand picked by the Sr. VP of Sales because of successful use of video as an entrepreneur to build out the Video Sales Development Representative - VSDR division of CIENCE's SDR Craft Division
⏺ Part of a specialized division known as Alpha Pod, with the ultimate the goal to prevent accounts from churning. Provided successful turn around using video to increase appointments set by 120%

VIDEO SDR

FitGrid

⏺ FitGrid is the only smart community management software that helps fitness studio owners drive success. By connecting staff, instructors, and clients through a powerful learning and recommendation grid, we help you leverage the power of your community to drive your studio’s profitability.

As a Senior Sales Executive at RepMove, I partner with field sales organizations to revolutionize their territory management and customer engagement through intelligent mobile solutions. With 15+ years in sales, I've learned that exceptional performance requires both cutting-edge tools and peak personal optimization—which is why I'm passionate about approaching sales excellence from both angles.

At RepMove, I help sales teams maximize their revenue potential by eliminating operational inefficiencies, reducing windshield time, and leveraging smart CRM solutions that keep reps focused on what matters most: face time with customers. Working across medical devices, pharmaceuticals, construction supplies, and equipment distribution, I've helped countless organizations transform their field operations into streamlined, revenue-generating machines.

What sets my approach apart is a deep understanding that peak sales performance isn't just about having the right software—it's about showing up as your best self every day. This insight has led me to maintain a unique dual focus: revolutionizing sales operations through technology while helping professionals optimize their personal performance through wellness coaching.

When I'm not helping sales teams transform their operations, I channel my passion for peak performance into My Coach Bre LLC and serving as a fitness instructor at OrangeTheory. Having overcome my own challenges with disordered eating to become a wellness expert, I understand firsthand how transformational the right tools and support can be—whether we're talking about sales enablement or personal vitality.

🎯 Primary Focus: Maximizing field sales effectiveness through intelligent territory management and mobile CRM solutions 💼 Industry Expertise: Enterprise sales, territory optimization, team performance 💪 Added Value: Evidence-based strategies for maintaining peak performance in high-pressure sales environments 🔄 Leadership Philosophy: Combining cutting-edge tools with sustainable performance strategies

Looking to transform your field sales operations? Let's connect about how RepMove's solutions can help your team maximize territory coverage and customer engagement while minimizing non-selling time.

Want to explore how peak personal performance can elevate your sales results? Book a free 30-minute consultation to discuss My Coach Bre LLC's wellness programs designed specifically for high-performing professionals.

Because in today's competitive landscape, success requires both the right tools and the right energy to use them effectively.

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The Battle

David Zeff ✌️

Breanne S.

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