
RC Advisory Services Group, LLC
Ethical, Honest Professional Consulting Services
SERVICES
📈Strategic Advisory
Helping leaders navigate challenges, unlock growth, and strengthen business models.
📈 Capital & Partnerships
Facilitating access to global networks, investors, capital, and high-value alliances.
📈Operational Excellence
Guiding companies toward stronger technical systems, leadership, and efficiency.
📈 Enduring Value Creation
Building lasting foundations that carry businesses forward for generations.
MEET THE TEAM

Rich Jortberg, MAI
Managing Director
About Rich
Mr. Rich Jortberg, a certified Member of the Appraisal Institute (MAI) Professional, has completed the acquisition, financing, valuation and development of numerous ​commercial real estate projects, including rezoning, project management, and disposition of a ​5,000-unit housing project. Rich Jortberg was also responsible for team development, drafting ​and obtaining a $150 million production-sharing contract for an oil/gas concession in the Sub-​Saharan Africa country. Rich Jortberg completed graduate studies (MS) in real estate finance in ​the US.

David K. Simmons
Managing Director
About David
The Honorable David K. Simmons serves in the national and international advanced technology business development arenas.
Mr. Simmons has held senior business, governmental and elective leadership positions at Rocky Mountain Innovation Partners (RMIP), US Space Command, and as Teller County, Colorado Assessor.
Mr. Simmons retired as a Lt. Colonel from US Space Command and the U.S. Air National Guard where he served as a certified Master Space Operator and officer.

Austin Gailey
Strategic Partner
Founder, GaileyTech, LLC
About Austin
Mr. Austin Gailey is an experienced technology consultant with over a decade of experience building and coordinating software and IT projects. He has expertise in digital marketing having formerly run a multi-media production company and multiple startups. He serves as a consultant analyzing software capabilities and market fit as well as the coordination of technical projects.

Brad Boltz
Strategic Partner
About Brad
Mr. Brad Boltz is a Denver, Colorado native with 38 plus years experience in the US Air and Space Forces in computer maintenance, A4 Conferencing systems, A5 Satellite Systems engineering, test and development.
Mr. Boltz is currently supporting US Space Force on national infrastructure projects and programs. Mr. Boltz has significant experience with ARC-GIS, X-band radars as sensors and detectors.
Mr. Boltz is also a certified General Aviation airplane pilot.

Linda Murphy
Financial Strategy & Government Contracting Specialist
Founder, Map & Method (M&M) Advisors, LLC
About Linda
Ms. Linda Murphy is a seasoned financial strategist with over 20 years of professional experience supporting government contractors, mission-driven organizations, and high-growth companies navigating complex financial and regulatory environments.
Known for her disciplined, systems-oriented approach, Linda brings deep expertise in program controls, pricing strategy, financial modeling, and compliance frameworks governed by GAAP, CAS, FAR, and DFARS. She has her PMP certification.
Linda’s career includes senior leadership roles across finance, accounting, and program management—supporting portfolios ranging from emerging contractor start-ups to multimillion-dollar government programs.
With a strong foundation in earned value management, budgeting, forecasting, and operational design, she excels at bringing structure, clarity, and strategic insight to organizations facing rapidly evolving requirements.
In 2025, Linda founded Map & Method (M&M) Advisors LLC, a boutique consultancy dedicated to helping government contracting organizations build resilient financial systems, optimize business operations, and position themselves for sustainable long-term growth.
She partners closely with RCA, CEOs, program managers, and executive teams to strengthen decision-making, refine operational frameworks, and align financial structures with strategic objectives.
Linda holds a Master of Arts in Procurement and Acquisitions Management and a BSBA in Finance.
She brings not only technical expertise, but a grounded, steady leadership style rooted in integrity, clarity, and a commitment to excellence.

Lisa Simpson
Strategic Partner
Founder, Lisa Simpson Consulting
About Lisa
Ms. Lisa Simpson is an extraordinarily experienced C-suite sales and marketing leader with a track record of accelerating revenue, expanding business markets, and building elite and highly effective teams across the technology landscape.
With deep expertise in IoT, SaaS, Semiconductors, Security, plus IT/OT convergence, Lisa has led strategic transformations and Mergers & Acquisitions (M&A) at Alcatel-Lucent Enterprise, Nokia, Cascade, Hewlett Packard (HP), and Rockwell International.
Known for developing partnership ecosystems, winning major competitive RFPs, M&A, and fostering high-performance cultures, Lisa brings a unique combination of engineering roots, business discipline, and people-centric leadership, blending technical depth with collaborative leadership.
Lisa earned an MBA from UC Irvine, California and has taught International Marketing at Saddleback College. She currently resides in Southern California.

Tyler Linnebur
Strategic Partner & Certified Public Accountant (CPA)
About Tyler
Mr. Tyler Linnebur is a Certified Public Accountant (CPA) with experience as a financial statement auditor and bookkeeper across multiple industries, including oil and gas, SaaS, and life sciences.
He earned his Master of Accountancy and Bachelor of Science in Business Administration (Finance) from the University of Denver (DU) and is currently pursuing a Master’s Degree in Mineral and Energy Economics at the Colorado School of Mines (CSM).
While studying at CSM, Mr. Linnebur has developed experience in financial modeling, economic and project analysis, and quantitative work using R, Python, and GAMS.
Tyler is actively involved in his community through volunteer work with Mission Hills Church and the American Conservation Coalition.
Outside of work and study, he enjoys snowboarding, running, hiking, biking, and spending time with family, friends, and his dog, Crúz.
Mr. Tyler Linnebur License #: CPA.9037041
You can search this on the Colorado Department of Regulatory Agencies website: https://apps2.colorado.gov/dora/licensing/lookup/licenselookup.aspx

Sean Verhoeff
Strategic Partner
About Sean
The Honorable Sean Verhoeff is a public servant, veteran, author on leadership, and business leader dedicated to practical problem-solving, accountability, and transparent government.
Mr. Verhoeff served in the United States Army, with the 101st Airborne Division, where he developed a mission-first mindset rooted in discipline, teamwork, and leadership under pressure.
His military service continues to shape his approach to leadership and public service.
Following his time in uniform, Mr. Verhoeff has built a business career as an entrepreneur, consultant, and advisor.
He is the owner of The Verhoeff Agency with Farmers Insurance, where he works with families and businesses to protect assets, manage risk, and plan for the future.
He also serves as Managing Director of The Prowers Group, a business consulting firm focused on strategy, operations, leadership development, and sustainable growth.
Mr. Verhoeff currently serves on the Fountain City Council, Colorado where he is known for his direct communication style, accessibility to residents, and focus on core priorities such as infrastructure, public safety, fiscal responsibility, and long-term planning.
He believes effective leadership requires transparency, discipline, and accountability at every level.
As an author focused on leadership, Mr. Verhoeff is committed to developing principled leaders and helping individuals and organizations perform at their highest level.
Mr. Verhoeff resides in Fountain, Colorado, and remains actively involved in veteran advocacy, economic development, and community leadership.

Stan VanderWerf
Strategic Partner
About Stan
The Honorable Stan VanderWerf is a seasoned program director with over 40 years of professional experience running companies, local governments, and federal programs. He served 28 years commanding or directing billion dollar US Air Force programs including the C-130, electronic warfare, avionics, and ground based GPS programs. Other tours included Special Operations (executive officer to the Acquisition Executive), Pentagon (budgets), Schriever Space Force Base (system test director), NORAD/NORTHCOM (chief analyst), Germany (technical intelligence), Korea (DCMA Commander), and Iraq (foreign military sales to Iraq’s Defense Ministry). Stan delivered successful R&D, procurement, sustainment, contract compliance, and operational support in very challenging environments.
Stan was elected as an El Paso County Commissioner serving 8 years running complex infrastructure projects and community engagement in politically charged environments. In running the largest Colorado county, Stan improved infrastructure, increased services, solved retirement fund shortfalls, increased emergency cash reserves, improved the County’s bond rating, and built extensive public/private relationships without raising taxes.
He founded several companies including a consulting firm, 3-D Printing company, and UAS Colorado, a business league serving Colorado’s unmanned aircraft industry. He serves today on many public and private boards.
Stan holds masters degrees in national resource strategies and international relations and an undergraduate degree from Purdue in industrial engineering. A Colorado Springs resident, Stan is married with two children, and is a skier, mountaineer, and commercial pilot.
Stan brings steady leadership with consistent successful outcomes to complex technical, politically charged, resource-driven activities at national, local, public, and private levels.

Discover Opportunities to Meet with Us

CONTACT US
Office Locations:
Aurora, Colorado, USA
Boulder-Denver, Colorado, USA
Colorado Springs, Colorado, USA
Calabasas, CA – LA County, USA
Give us a Call:
720-996-2396
