RAFFI GRIGORIAN
MANAGING DIRECTOR
Raffi Grigorian is a seasoned professional with over 20+ years of experience in the Experiential Marketing and Advertising space. Throughout his career, he has built a reputation for delivering innovative and effective campaigns that drive engagement and increase brand awareness.
Raffi has held a variety of roles in account management and operations at the Executive level. As a Partner/COO at Eventive Marketing (member of Omnicom Group) and as a Managing director at the MDC Partners network, Raffi was responsible for accelerating and managing agency growth.
His client experience includes working with some of the most well-known companies in the Fortune 500, such as P&G, Kellogg, Coors, J&J, NFL and PNC Bank. He has a strong track record of building successful relationships with client and delivering exceptional results.
As the Managing Director at Evolve Activation, Raffi is responsible for overseeing all agency departments and managing the day-to-day operations for efficiency and value to client partners.
BRITTANY ASHBY
ACCOUNT EXECUTIVE
Brittany Ashby is an operations and strategy professional with a background in client partnership, program execution, and operational oversight. Based in St. Louis, she has supported multiple nationwide programs, partnering closely with clients and cross-functional teams to deliver strong, measurable results.
Throughout her career, Brittany has led teams, built operational frameworks, and leveraged analytics to improve performance, efficiency, and consistency across programs. She is known for her ability to balance strategic thinking with hands on execution, bringing structure, clarity, and accountability to fast-paced environments.
ALEXIA BUSTIOS
ACCOUNT EXECUTIVE
Alexia Bustios is a results oriented, dynamic leader in the experiential marketing space. She is known for her ability to bridge the gap between high level brand vision and flawless operational execution. Serving as a strategic executive leader, she has built a career around translating complex project goals into actionable plans that drive measurable impact. With a deep background in operations, project management and talent acquisition, Alexia oversees the entire experiential lifecycle from managing multi-million-dollar budgets and vendor negotiations to onsite lead execution and creative problem solving.
Alexia’s approach is rooted in operational excellence and people leadership. She brings a disciplined methodology to her role at Evolve Activation and ensures that every campaign is supported by a secure and efficient framework that allows the brand’s mission to remain at the forefront. Her dedication to client relationship building and strategic resource management ensures that every experiential activation is both operationally sound and exceptionally executed.
PATTY GREER
ACCOUNT COORDINATOR
Patty Greer is an events and experiential production professional with over eight years of experience across live events, music, and hospitality. She specializes in event operations, contract review, and team coordination in fast-paced, high-impact environments. Known for her people-first approach, Patty brings clarity, organization, and creativity to every production.
ASHLEY LOPEZ
EXECUTIVE PRODUCER
Ashley Lopez is a racing industry veteran with 15 years of automotive aftermarket event industry experience, managing the logistics of up to 300+ events in a year. Ashley’s background and experience make her invaluable in concept development and feasibility of automotive activations for the agency.
SHAWN HUGHES
ACCOUNT DIRECTOR
Shawn Hughes is an Experiential Agency veteran and leader with over 25 years of experience. He has developed and managed successful programs for many top notch brands including Gatorade, Nike, U.S. Army, Oscar Mayer, U.S. Cellular and has activated with many properties including NFL, PGA, NASCAR and the Kentucky Derby. Shawn’s experience with bringing brands to life through targeted properties and creative tactics has been instrumental to the awards and success of his clients.
Shawn has held a variety of Agency leadership roles on both the Account Services and Operations/Production side of the business with Momentum Worldwide (IPG) and Marketing Werks (Crossmark).
Shawn is a United States Marine Corp Veteran and actively involved in several charities involving military giving and Special Olympics. He resides in Chicago, IL
CALLIE ELLIOTT
ACCOUNT MANAGER
Callie Elliott has 7+ years of demonstrated success in leading top-performing marketing teams and providing exceptional customer service. She works closely with clients to coordinate activation details, train event staff, report metrics, and ensure the success of each experiential marketing activation.
HEATHER WALLBERG
EXECUTIVE PRODUCER
Heather Wallberg is an Executive Producer specializing in immersive brand experiences and large-scale experiential programs that drive connection and cultural impact. With over 15 years of experience, she brings a proven track record producing nationally recognized award shows, multi-market tours, and high-profile brand and sponsor activations.
Known for turning ambitious creative into flawlessly executed reality, Heather leads cross-functional teams across production, partnerships, culinary, talent, and operations to deliver seamless, high-performing experiences from first brief through final guest departure. Her work blends strategic precision with a hospitality-driven mindset, ensuring both brand objectives and audience experience are delivered at the highest level.
Based in Portland, OR, she believes the most powerful activations feel as intentional behind the curtain as they do on the floor, and she’s always at the ready to make a little magic happen.
RICKY FAUST
OPERATIONS COORDINATOR
Ricky hails from a theatrical & live entertainment background. He brings a Swiss Army Knife of skills from a long & successful history in the events industry to his role as Operations Coordinator. He utilizes forging strong relationships, solid organization, reliability, and finding creative solutions to ensure smooth & stellar activations.
OSCAR GOMEZ
ACCOUNT MANAGER
With over 10 years of experience in experiential marketing and digital activation, Oscar specializes in creating and managing immersive, technology-driven experiences that connect brands with audiences in meaningful ways. His background combines hands-on execution with a deep understanding of emerging technologies, allowing to bridge the gap between creative storytelling and technical innovation.
He has led and supported campaigns that enhance customer experience across live events, digital platforms, and hybrid environments—always with a focus on engagement, scalability, and measurable impact. Known for a collaborative approach and a problem-solving mindset, Oscar works closely with cross-functional teams to turn complex ideas into seamless, user-centric experiences.
Driven by curiosity and continuous learning, he's passionate about leveraging technology to elevate brand experiences and deliver lasting value for both clients and customers.
DANIEL RANJIT
Business Performance Executive
Daniel Ranjit draws from 6+ years of tour/field experience and 10 years overseeing event staffing to lead highly successful in-market and mobile tours. He utilizes his logistics skills to ensure smooth transport from one stop to the next and his wealth of field experience to create impactful experiential engagements.
Daniel loves the various moving pieces that are part of planning and executing a mobile marketing tour successfully. Check out this blog on “Mobile Marketing Tour Considerations.”
TRAVIS RADKE
CREATIVE DIRECTOR
Travis Radke is a multi-disciplinary designer utilizing a layered creative approach built from practice in architecture, interiors, graphics, experiential, and industrial design. With a degree in Architecture and over a decade of hands-on design-build experience, Travis is adept at translating design concepts to finished, fabricated sets for experiential marketing campaigns and events.
PETE DIFFENDAL
ACCOUNT DIRECTOR
Meet Pete Diffendal, a seasoned Experiential Marketer with an impressive track record of success across various roles. Currently serving as an Account Director at Evolve, Pete is at the forefront of planning, coordinating, and executing client activation initiatives while leading a team of talented account executives.
Pete’s expertise in strategic account management, program implementation, and team leadership has made him a standout professional in the realm of Experiential Marketing. His ability to adapt and innovate ensures that clients receive the most effective and tailored marketing solutions, resulting in exceptional results and lasting partnerships. Pete has worked on some of the most prestigious brands, including Hershey Company, ESPN, Dr Pepper/7Up, VW, Procter & Gamble, Meredith Publishing, Nestle, IBM, Nabisco, AB-Inbev and Apple.
Before joining Evolve, Pete honed his skills in other industries, showcasing his versatility as a professional. He made an impact as a Licensed Real Estate Agent at Redfin, where he flourished in the competitive world of real estate, representing the country’s top brokerage site. In addition to his real estate success, Pete spent time as an Advisor at New York Life Insurance Company, where he provided invaluable assistance to individuals, families, and business owners by offering expert insurance and financial planning guidance.
Pete’s passion for creating memorable experiences extended beyond the corporate realm when he served as the Director of Memberships/Events at Ferncroft Country Club. There, he demonstrated his acumen in business development and successfully organized a series of outstanding events. During his tenure as the Director of Business Development & Client Services at On The Mark, Pete showcased his prowess in cultivating strong client relationships and securing new business opportunities.
MADELAINE COYLE
VP OF CLIENT STRATEGY
Madelaine brings nearly two decades of experience designing, producing, and scaling experiential marketing programs rooted in visual storytelling, cultural relevance, and human connection. Her career began in high-end visual production, where she helped global brands translate creative ambition into physical, immersive environments... experiences designed not just to be seen, but felt.
Throughout her career, Madelaine has worked across large-scale live events, touring activations, and brand installations for brands spanning beauty, fashion, wellness, entertainment, and technology. She is known for her ability to bridge concept and execution, protecting the integrity of an idea while ensuring it holds up in the real world, across flow, footprint, timing, and budget.
As experiential marketing continues to evolve, her work increasingly incorporates creative technology and AI as tools to deepen engagement and participation. She approaches emerging technology through a distinctly experiential lens, integrating it only where it enhances storytelling, enables personalization, or creates more intuitive audience interaction.
At Evolve Activation, Madelaine helps shape experiential programs that are culturally fluent, thoughtfully scoped, and built for impact - maximizing value through smart design, intentional production choices, and execution that never feels excessive. The result is work that feels considered, modern, and memorable.
JOHN FOX
VP OF OPERATIONS, PARTNER
John Fox is the Vice President of Operations and Founding Partner at Evolve Activation, based in the Greater Los Angeles Area. With over 9 years of experience at Evolve Activation, John has demonstrated his expertise in operational management, client liaison, contract negotiation, materials sourcing, budget analysis, and operational troubleshooting. He is a dedicated professional who values long-term partnerships and believes that a good idea can come from anywhere.
Prior to joining Evolve Activation, John held various roles in the marketing industry. He served as the Director of Operations at Encore Nationwide Inc., where he managed both account/agency relations and operational components for clients.
He also worked as the Director of Operations – West Region at Gigunda Group, streamlining operational functions and ensuring consistency in mobile marketing campaigns. Additionally, John gained valuable experience as the Director of Operations at Momentum Worldwide, contributing to the company’s profitability and growth through strategic consulting, project administration, and budget management.
John holds a degree from Central Michigan University and is an active member of professional groups such as Event Pros and Event Marketing Worldwide.
JUSTIN TAMONY
VP OF ACCOUNT SERVICES, PARTNER
Justin Tamony is a Vice President of Account Services and Founding Partner at Evolve Activation and plays a pivotal role in program development and strategy for client engagement.
Prior to his current position, Justin served as the Director of UK Development at Encore Nationwide, where he researched international expansion opportunities ahead of the Olympic Games. Justin also evaluated market conditions and identified growth opportunities. Justin was an Account Executive, managing program budgets for experiential marketing clients. He collaborated closely with the Director of Operations on large-scale activation programs, including sourcing promotional vehicles, managing vehicle wrap vendors, tour routing, and event logistics. Justin also led and managed teams of tour managers, market managers, and contract account managers. He played a key role in securing new clients and programs, expanding the company’s capabilities in Canada, and establishing satellite offices.
Justin’s experience in the field of event marketing extends further with roles such as Event Manager at Arnold Worldwide, where he served as the National Tour Manager for the Jones New York Work/Life program, and Public Relations Manager at Euro RSCG, where he executed campaigns for Nestle in support of Habitat for Humanity.
Justin Tamony holds a bachelor’s degree in managerial economics from the University of California, Davis. With his extensive background in account services, program development, and event management, Justin continues to drive success and deliver exceptional results in the field of event marketing and experiential activations.
David Saalfrank
Business Growth & Client Strategy Lead
For over 35 years, David has enhanced and enriched his skills and knowledge in the world of marketing and communications. As an architect of the brand experience, he brings an established understanding and practice of all facets of B2C, B2B, B2E and CSR engagement.
His tenure in building products and companies through brand experiences fuels his passion for turning challenges and insights into viable strategic solutions.
His expertise in experiential marketing and brand engagement has proven his leadership in the industry and to his colleagues and client relationships. The result ensures a holistic approach to any integrated marketing plan that delivers relevance and motivates behavior for brands and services.
Cat Holland
Executive Producer
Cat Holland is a producer focused on experiential brand activations and large-scale production, with over 10 years of experience leading complex projects from concept through execution. She operates at the intersection of creative and operations, shaping ideas while building the structure required to bring them to life at scale.
She has led production across a range of studio, digital, and live environments, overseeing multi-market programs, managing teams and vendors, and delivering high-visibility work under tight timelines. Known for her ability to align creative vision with real-world execution, she ensures every element from budget to footprint is intentional and built to perform.
At Evolve Activation, Cat leads the development and execution of experiential programs, driving creative strategy and production decisions to deliver work that is modern, culturally fluent, and built for impact.
Colleen Altschul
PROJECT MANAGER
Colleen Altschul is a strategic experiential marketing leader with deep expertise in program development, team leadership, and large-scale event execution. With a career spanning national programs and multi-market activations, she has built a reputation for delivering high-impact experiences that align brand vision with operational excellence.
Throughout her career, Colleen has led cross-functional teams, managed multimillion-dollar budgets, and produced a wide range of events—from grassroots activations to complex, large-scale productions. She is known for her ability to foster strong client relationships, inspire teams, and bring creative ideas to life while maintaining structure, efficiency, and accountability.
Taylor Popoola
ACCOUNT COORDINATOR
Taylor Popoola is an experiential marketing professional who bridges operations and storytelling to bring brand campaigns to life. As an Account Coordinator, she collaborates with clients and field teams to conceptualize events, execute seamless activations, manage talent, and support program logistics. Her passion for storytelling informs her approach to branding, ensuring each activation resonates beyond the moment.