About Us

Derek Showerman is a senior marketing and digital transformation executive and former Salesforce Consultant with more than two decades of experience turning complex growth and technology decisions into work teams can execute.

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As Founder of VTNH Consulting Partners, Derek has led strategic initiatives for Fortune 500 organizations and start-ups. He has exceeded revenue targets, tightened business processes, and connected technology investment to client and company objectives.

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His work spans strategic marketing, digital transformation, artificial intelligence (AI), corporate development, CRM, and Community. He leads cross-functional teams, presents to boards and investors, and brings enterprise experience to Vermont, New Hampshire, and New England businesses that need clear priorities, practical execution, and measurable results.

Mark Wallace is the Founder and CEO of Justellus, a firm specializing in fractional sales leadership and business growth strategies for B2B SaaS and service companies. Since 2011, Justellus has helped companies from pre-revenue to $50M in annual sales build more predictable revenue and long-term enterprise value.

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With 25 years of revenue leadership experience, Mark has delivered double- and triple-digit new revenue growth and helped businesses realign for the next stage. Before founding Justellus, he served as Vice President of Customer Acquisition, Community, and Social Media at EDR (a DMGT company). Prior to that, he was VP of Sales for Mzinga, an enterprise social media SaaS provider, and led sales for Shared Insights and DCI, which organized business networking and educational events for senior executives. His work in sales, marketing, and digital transformation has earned industry recognition, speaking engagements, and multiple innovation awards.

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Mark supports founders and mentors entrepreneurs as they build valuable, scalable businesses. He graduated from Bentley University in Waltham, MA, with a Bachelor of Science in Management.
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https://justellus.com

Scott Brenowitz is an accounting and finance professional who leads financial strategy, operations, and risk management for profitable growth. He works from financial planning, reporting, and governance to keep investments tied to business objectives, costs controlled, and infrastructure ready to scale.

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Scott connects finance and technology, helping CFOs, CMOs, IT, and security leaders make better decisions together. He shares practical insight on cybersecurity, vendor management, and the changing role of finance in technology-driven organizations.

Rebecca Faulk leads Sales & Growth at Locus Digital. She works with clients to turn business goals into websites and marketing systems that show new revenue and positive business outcomes. Her approach is warm and collaborative, but the work stays practical: vision becomes strategy, strategy becomes design, and design is measured against growth.

Rebecca and Locus Digital have over 5+ years of supporting Derek Showerman as the execution arm of marketing and sales strategies.

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https://www.locusdigital.com/

Heidi is a licensed CPA in Vermont and New Hampshire with over 25 years of experience. She has worked in the private sector and with a New England CPA firm as its quality control manager, auditing small businesses and nonprofits. Her background helps her give clients practical managerial and organizational assistance. She is a member of the Vermont Society of Certified Public Accountants and the AICPA, and volunteers with local community organizations.

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https://www.vtaccountingservice.com/

Nathaniel helps CPG (Consumer Packaged Goods) and DTC (Direct to Consumer) brands grow revenue by removing friction from the digital journey, from first click to repeat purchase.

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As the founder of Scout Digital, Nathaniel works with consumer brands on conversion optimization, data-backed creative, and full-funnel experimentation. The goal is clear: turn more of the right traffic into measurable revenue.

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Nathaniel brings a background in sales, storytelling strategy, and behavioral psychology. He partners with founders and CMOs to build customer systems that scale alongside the brand and the team.

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Outside of work, Nathaniel is a basketball player, a dad, and a proud Arsenal fan—which means he has learned a great deal about patience and resilience.

Brittany Hogan is a Small Business Consultant at Value Pros and a seasoned Graphic Designer. She combines creative judgment, AI understanding, and business strategy to help small to mid-sized businesses fix operational friction, strengthen their brand presence, and build a more scalable path to growth.

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Core Expertise & Focus

• Business Consulting: At ValuePros, Brittany identifies critical inefficiencies, builds actionable growth strategies, and helps implement practical solutions that improve client profitability and operational value.
• Design and Technology: With over a decade of experience as a graphic designer, Brittany works across AI, visual brand identity, digital marketing assets, and user experience (UX) principles.

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Brittany helps entrepreneurs connect business goals to visual execution. She provides the framework and creative resources teams need to make better decisions and compete in a demanding digital landscape.

Rhiannon Mastrella serves as Controller at William C. Huff Companies, overseeing budgeting, forecasting, and financial reporting across the organization.

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Rhiannon holds a Bachelor’s Degree in Healthcare Administration with a focus in Finance from Southwest Florida College and an A.S in Health IT. She has implemented efficient ARR processes that improve organizational performance and support revenue growth.

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Before joining William C. Huff, Rhiannon held positions at Fortune 500 healthcare companies and in private practice, where she helped drive financial performance. She uses data to improve business insight and financial transparency.

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Outside of work, Rhiannon enjoys time with her family, cheers for the New York Yankees and Notre Dame Fighting Irish, and embraces all things nerdom.