Gemsbok’s work is grounded in clear financial thinking, practical problem-solving, and close working relationships with the businesses we support.
Our team brings experience across accounting, financial strategy, operations, administration, and client service, helping business owners build stronger systems and make more informed decisions.
Meet the Team
Christina Z. Griggs | CEO
Christina founded Gemsbok Consulting in 2001 to help business owners build stronger financial and operational foundations. For more than 25 years, she has worked with hundreds of companies to strengthen financial structure, operating systems, and decision-making.
Her background spans environmental and business consulting, property management, investment banking, corporate housing, real estate, construction, engineering, personal investment planning, IT services, association management, government, publishing, and web development. Across these industries, Christina has helped companies strengthen operations, improve financial visibility, and build tools that support better leadership decisions.
Christina is especially skilled at financial modeling and reporting as well as creating practical tools that help business owners understand the short-term and long-term impact of their choices.
Outside of work, Christina enjoys time with her family and staying active outdoors through hockey, CrossFit, hiking, skiing, snowshoeing, climbing, and camping.
Education & Credentials
College of Financial Planning, Denver
Certified Financial Planner
Principia College
Bachelor of Arts in Business Administration
Minor in Biology
Additional honors include College Honor Roll, Dean’s List, The Lincoln Academy of Illinois Student Laureate Award, Scholar-Athlete Award, Helen Summy Woodward Memorial Award, and Charles F. Buckwalter Athletic and Academic Honors Award.
Robin Grzegorzeski | Controller and Team Lead
Robin brings more than a decade of accounting experience across a range of industries and company structures. Her technical accounting knowledge and attention to financial reporting and general ledger review help her support Gemsbok’s diverse clients.
She is energized by digging into financial data, organizing information, and tracing problems back to their source. Robin thrives on finding straightforward solutions to complex accounting challenges.
Outside of work, Robin and her husband enjoy cheering for their favorite college and professional football teams. They also spend time exploring the hiking trails around Parker, Colorado, with their two young children.
Erin Dokken | Accountant
Erin joined Gemsbok Consulting in 2026 after spending 10 years as a civil engineer. Her attention to detail, commitment to integrity, and love of learning have shaped her work across engineering, consulting, and education.
After her engineering career, Erin homeschooled her two sons, tutored students, and served as a lead learner in her local classical homeschool community. These experiences strengthened her organization, adaptability, and ability to help others work toward their goals.
At Gemsbok, Erin brings analytical thinking and a collaborative approach to each client engagement. She helps organizations navigate their financial needs, tackle complex challenges, and develop practical solutions.
Outside of work, Erin enjoys reading and spending time with her family. Together they explore national parks, go four-wheeling in the Colorado mountains, attend hockey games, and relax at home with their two cats.
Education & Credentials
Colorado School of Mines
Bachelor’s degree in Engineering
Minor in Economics
Melissa Christopher | Accountant
Melissa joined Gemsbok Consulting in 2022 and brings a strong background in communication, advocacy, relationship-building, and administration. Before joining Gemsbok, she worked as a school social worker for more than 10 years and also gained experience in restaurant management and administrative roles.
Melissa is detail-oriented and understands the importance of supporting clients with care, clarity, and consistency. Her background helps her approach accounting work with both precision and a strong sense of client service.
Outside of work, Melissa enjoys spending time with her family in Parker, Colorado.
Education & Credentials
Colorado State University
Bachelor’s degree in Social Work
Minor in Business Administration
Master’s degree in Social Work
Additional credentials include Intuit Certified Bookkeeping Professional, Intuit QuickBooks Online ProAdvisor, and Coursera Intuit Bookkeeping Professional certifications.
Katie Stone | Accountant
Katie has built her career around creating positive client experiences. Her background includes client services and operations for high-net-worth individuals in wealth management, as well as helping young families purchase their first homes.
She believes that accurate financials give business owners the reliable information they need to make projections and sound decisions. By managing that work carefully, Katie also helps clients devote more attention to building their businesses.
Originally from Indiana, Katie moved to Denver in 2008. After nearly a decade working in financial management and real estate throughout the Denver area, she and her husband moved to Evergreen with their son.
Outside of work, Katie enjoys skiing, hiking, traveling, art, and historic architecture. She also volunteers at Rocky Mountain Academy of Evergreen and creates props and costumes with her son for local theater companies.
Nikki Schleen | Accountant
Nikki brings strong organizational and communication skills to Gemsbok. After spending more than 20 years raising her three children, she developed extensive experience managing schedules, budgets, unexpected challenges, and the many moving parts of a busy family.
Her earlier experience in the restaurant industry taught her to remain calm under pressure, think quickly, and navigate both her own emotions and those of the people around her. Those lessons continue to guide how she approaches her work.
Nikki thrives on supporting others and being a dependable member of a collaborative team. She values working alongside colleagues who help create an environment for personal and professional growth.
Outside of work, Nikki enjoys traveling, yoga, golf, mahjong, hiking, concerts, sporting events, and reading by the pool. She and her family are enthusiastic hockey and football fans and share their home with two cats and a mini dachshund.
Carol Hull | Accountant
Carol’s professional background includes serving as a tour guide at the Colorado State Capitol and managing corporate clients and executive education programs at the Daniels College of Business at the University of Denver.
She spent more than 16 years homeschooling her three daughters while leading homeschool communities, coordinating tutors, managing budgets, and supporting families. These experiences strengthened her leadership, adaptability, organization, and ability to manage many moving parts.
At Gemsbok, Carol values working with a team focused on kindness, collaboration, and helping others. She believes that people matter and approaches clients, colleagues, and challenges with respect, thoughtful preparation, and clear communication.
Outside of work, Carol enjoys knitting and crocheting, playing piano, watching classic films, cheering for college football, and taking road trips. She and her husband have three daughters, two rescued dogs, and a guinea pig.
Meghan Roberts | Accountant
Meghan Roberts brings a diverse background in education, vocational services, and client support to Gemsbok Consulting. Her experience includes teaching English as a second language, helping adults with disabilities prepare for and succeed in the workforce, and homeschooling her three daughters for more than a decade.
Through these roles, she has developed strong analytical, organizational, and problem-solving skills. She is particularly adept at identifying patterns, managing details, evaluating processes, and finding opportunities for improvement. Her thoughtful, patient approach and commitment to helping others succeed align closely with Gemsbok's collaborative, client-focused philosophy.
Outside of work, she enjoys hiking, backpacking, running, reading, and traveling. She is also learning to play the banjo. She and her family share a love of outdoor adventures, often accompanied by their shepherd-mix, Odin, who is always ready for a hike or a game of frisbee.
Monica Leonard | Accountant
Monica brings a diverse background in program management, client relations, and administration to Gemsbok Consulting. Throughout her career, she has developed strong organizational, communication, and problem-solving skills while managing competing priorities and working with people from a variety of backgrounds.
One of her most rewarding roles was managing a culinary apprenticeship program, where she helped aspiring chefs gain hands-on experience, connect with mentors, and earn their professional certifications. This experience strengthened her ability to navigate challenges, build relationships, and develop practical solutions that help others succeed.
Monica was drawn to Gemsbok's collaborative culture and commitment to supporting both clients and employees. She values thoughtful leadership, creative problem-solving, and the opportunity to bring a fresh perspective to the team.
Outside of work, Monica enjoys camping, hiking, snowshoeing, skiing, reading, and cheering on the Colorado Avalanche. She and her husband, Jarrod, a firefighter with more than 23 years of service at West Metro Fire District, have two sons, Van and Jace. The family also includes a Doberman named Mojo and two cats, Gingy and Kitty.
Valerie Jones | Accountant
With 20 years of accounting experience, including serving as a Controller, Valerie brings a wealth of knowledge and a practical, approachable perspective to her work at Gemsbok Consulting. Her background spans nonprofit, government, and manufacturing organizations, giving her valuable insight into a variety of financial environments and business needs.
Valerie believes accounting should empower clients, not overwhelm them. She is passionate about making financial information clear and meaningful, helping clients understand their numbers and use that knowledge to make confident, informed decisions. One of the most rewarding aspects of her work is seeing clients gain clarity about their financial picture and use those insights to pursue their goals.
Outside of work, Valerie loves cooking and curling up with a good book. Her favorite way to recharge is gathering around the table with family and friends for good food, lively conversation, and time together.
Work with a team that understands the business behind the numbers.
Gemsbok brings financial, operational, and accounting experience together to help business owners see more clearly and move forward with more confidence.