About Us
Led by a CPA with 26 years of experience, The Green Mission Inc. partners with green-industry leaders, appraisal standards organizations, and other decision makers to elevate professionalism across the valuation field. We advocate for stronger qualification requirements, including relevant college coursework, rigorous examinations, verified work experience, and higher continuing-education expectations supported by demonstrated appraisal competency.
Jessica I. Marschall, CPA, ISA AM President and CEO
Jessica is a practicing CPA with 26 years of experience and the President of MAS LLC, a tax advisory practice. She is dedicated to integrating environmentally sustainable decisions with financial prudence in her roles as a fractional CFO, tax advisor, personal property appraiser, and business management advisor. Jessica has served on the Board of Stafford Education Foundation for four years and the Rethos Board of Directors for two years. A mother of five, she is also actively involved in environmental community initiatives. www.MarschallTax.com
Jennie Lumpkin CRO
Jennie Lumpkin has served as our Director of Business Development since our inception. She holds a background in Business Law from Washington Business School and brings 16 years of corporate insurance experience, along with 16 years in deconstruction and personal property appraisal. Trusted by nonprofits, builders, and contractors, Jennie is known for her streamlined workflow, deep knowledge of appraisal timeframes and nonprofit requirements, and exceptional attention to detail. She recently accepted the role of Chief Revenue Officer. Married for 20 years to her husband Todd, Jennie enjoys her fur babies—Tank (15) and Rambo (11), both Havanese—as well as cooking, reading, and spending time outdoors.
Caroline J. Marschall Chief Operating Officer
Caroline J. Marschall serves as the Chief Operating Officer, where she oversees valuation research and appraisal production. A University of Virginia graduate, Caroline is currently pursuing her MS in Accounting from William & Mary. Outside of work, she enjoys practicing Jiu Jitsu, traveling the globe, and studying various economic and financial policies in environmental practice.
Amy M. Bria Director of Communications
Amy Bria is an experienced educator and former journalist with 22 years teaching secondary English. She holds an M.A. in English, a B.S. in Journalism, and is a certified Teacher of English in New Jersey. A graduate of the Chamber of Commerce Southern New Jersey's Summer Institute for Educators, Amy brings strong communication skills, curriculum innovation, and a commitment to student and community growth. Outside the classroom, she is an avid reader and passionate runner who enjoys exploring new books and new miles, having completed four marathons and 13 half-marathons.
Nouman Shaikh MBA Executive Assistant
With a Master’s degree in Business Administration, Nouman’s expertise lies in business development within various industries. He has a proven track record of driving growth and fostering innovation in dynamic sectors. Outside of work, he finds joy in playing sports, which has become more than just a hobby—it’s a passion that keeps him balanced and energized. Committed to fostering positive change, they actively engage in charitable endeavors, exemplifying their dedication to social responsibility and community enhancement.
Lucy Dahl Marketing Intern
Lucy Dahl is a senior at Bethesda Chevy Chase High School. She is a contributing writer for her school’s newspaper The Tattler, and held an internship at her town’s local magazine, Kensington Neighbors, where she wrote articles from a younger audience perspective and helped manage social media activity. She is a member of DECA and the B-CC Environmental club, which influenced her to want to become more involved in the business/marketing world and shed some light on environmental issues. Outside of school, Lucy enjoys spending her time playing tennis and volleyball, discovering new music, having old movie marathons with her friends, thrifting in Georgetown, and going to Caps games. She loves country music and going to the beach, and she hopes to one day be a jet-setter and travel the world.
Katie J. Marschall Project Engineer
Katie J. Marschall is a graduate from Harvard University with a degree in neuroscience. Deeply committed to environmental sustainability, Katie is passionate about salvaging building materials from landfills and advocates for a societal shift toward reusing and repurposing materials rather than buying new. Following her graduation, Katie plans to attend medical school, where she aims to combine her scientific knowledge with her dedication to environmental stewardship.
Kelsey Dahl Research Assistant
Kelsey Dahl, a sophomore at Bethesda Chevy Chase High School, is passionate about educating her peers on environmental concerns and opportunities, as well as sustainable practices that can be used in both the classroom and in careers. A leader focused on inspiring shared goals, Kelsey serves as Vice President of the BCC Moves dance team, is a member of the National Honor Society, and is active in clubs including Best Buddies, Kits to Heart and academic Barons for Change. She is excited about leveraging her leadership skills to influence and educate her peers on the real life benefits of making sound choices to positively impact the environment.
Mackenzie Bria Marketing Manager
Mackenzie Bria is a creative marketing professional with a BA in TV & Film from Montclair State University and five years of experience in influencer marketing, content creation, and digital advertising. She has executed campaigns for major global brands such as Samsung and Amazon, as well as lifestyle and wellness companies including Vital Proteins, Velvet Caviar, Huel, Ivory Ella, Drink Poppi, and Liquid I.V.
With more than 250,000 combined followers across Instagram and TikTok, Mackenzie understands platform trends, audience behavior, and performance-driven content. She brings this expertise to her role as Marketing Manager, where she shapes brand strategy, strengthens digital presence, and leads high-impact marketing initiatives across multiple channels.