Our Team

Andrea Ambrosia

CEO
Andrea Ambrosia serves as the Chief Executive Officer of Yosemite Consulting, bringing extensive experience in digital strategy and campaign management to her leadership role. Prior to assuming the CEO position, she held the role of Senior Vice President of Campaigns at the firm, where she managed the firm’s California portfolio while overseeing the Account Management and Ad Operations teams. In a past life, Andrea spent a decade plus in the entertainment industry, most recently as an agent in the music space. Originally from the Chicago area, she’s now based in Washington, D.C.

Bill Gordon

Founder and Chief Strategic Officer
Bill Gordon is the founder of Yosemite Consulting and its subsidiaries and serves as the Chief Strategy Officer. Born and raised in New York City and based in Southern California, Bill has been at the forefront of political and advocacy focused digital strategy and advertising for more than 14 years. He has worked at or for party committees, electoral and issue advocacy campaigns, consulting firms, and nonprofits over his career with a focus on innovating new methods of reaching and engaging audiences.

John Spencer

CFO
John Spencer is the CFO for Yosemite Consulting. He oversees the accounting and financial operations for Yosemite. Prior to joining Yosemite he worked at PwC with experience in multiple industries including sports entertainment, banking, technology, and healthcare. Throughout his career, he has been responsible for leading highly effective accounting and auditing teams, while driving automation and process improvements.

James Folsom

Senior Vice President
James Folsom III is the Senior Vice President at Yosemite Consulting, based in Nashville, Tennessee. He plays a key role in shaping digital strategy and driving business growth at the firm, while helping Yosemite clients maximize their impact. With over a decade of political and communications experience, he has helped mobilize voters, shape policy, and drive progressive change through data-driven digital strategies. James has worked with candidates, officeholders, consultants, national organizations, grassroots coalitions, and political action committees, helping clients effectively reach and activate key audiences across electoral campaigns, issue advocacy, legislative initiatives, and public affairs. He holds a B.A. from Bard College and a J.D. from Loyola University New Orleans, specializing in Law, Technology, and Entrepreneurship. A member of the Alabama State Bar, he applies his legal and policy knowledge to support digital advocacy and campaign innovation.

Jake Bressler

Vice President, Campaigns
With more than a decade of experience in award-winning digital strategy, Jake has helped persuade and mobilize voters for campaigns including Stacey Abrams for Governor, Sen. Raphael Warnock, and Jaime Harrison for Senate, as well as numerous congressional races nationwide. He has led paid media efforts for the Democratic Congressional Campaign Committee, House Majority PAC, Fair Fight, and other leading advocacy organizations. Before joining Yosemite, Jake held senior roles at AL Media and DSPolitical, bringing deep expertise across creative, data, and media strategy. He lives in Chicago with his wife and son, and spends an unreasonable amount of time rooting for the city’s lovable but cursed sports teams.

Mariah Mayo

Associate Director, Campaigns
Mariah Mayo serves as a Senior Account Executive for Yosemite Consulting. Born, raised, and currently based in Chicago, Mariah is a recent graduate of Spelman College with degrees in Political Science and Spanish. After five years of success in the realms of law, public relations, and digital marketing, Mariah now focuses on playing an integral role in the success of campaigns targeted to help communities through advocacy and advertising.

Muradul Islam

Senior Associate, Ad Ops
Muradul Islam, based in Michigan, is the Senior AdOps at Yosemite Consulting, specializing in executing political ad campaigns. He has a strong background in programmatic advertising, having worked at GroupM Nexus's Advanced Digital Out of Home, delivering campaigns for major brands across various industries. His expertise is driven by critical thinking and a passion for technology.

Rachell Mosquera

Associate Director, Campaigns
Rachell is the Senior Account Executive at Yosemite Consulting and joined the team back in 2020 shortly after the company was founded. A New York native, Rachell has spent her life studying and working in and around the city. She has a deep passion for public policy and political campaigning. She has worked at several nonprofits and advocacy-based companies where she grew more interested in digital advertising in relation to electoral politics and the strategies behind growing movements and campaigns.

Rachael Petter-LaManna

Director of Advertising Operations
Rachael is the Director of Advertising Operations at Yosemite Consulting, bringing over a decade of expertise in digital media. With a strong background in programmatic trading and campaign management, she has successfully executed a wide range of initiatives—from direct response and brand engagement to political and advocacy campaigns. She has worked with candidates, advocacy groups, and political organizations to drive voter engagement and issue-based awareness through data-driven digital strategies. Rachael’s deep knowledge of digital advertising and media operations makes her a valuable asset in both e-commerce and political spaces. Originally from Chicago, she is now based in San Diego.

Tyler Gray

Associate, Campaigns
Tyler Gray serves as an Associate, Campaigns at Yosemite Consulting. Originally from Montana and now based in Oregon, he holds a B.S. in Business Administration with a minor in Marketing from Oregon State University. In his role, Tyler contributes to the planning, execution, and optimization of digital campaigns. He brings a strong background in digital marketing, campaign management, and advertising technology. Tyler is passionate about advocacy and creating impactful storytelling through data.

Sarah Laher

Associate, Campaigns
Sarah Laher is an Associate, Campaigns at Yosemite Consulting. Born in Virginia and based in Los Angeles, she draws on her entertainment background to support the planning and execution of data-driven advertising campaigns. Sarah is passionate about creating meaningful work that connects communities and drives positive change.

Kai Wang

Director of Advertising Technology
Kai Wang is the Director of Ad Tech at Yosemite Consulting. With a strong digital marketing background, he excels in digital investment, technical troubleshooting, and leading campaign execution teams. Kai is known for improving tech stacks and implementing process overhauls for best practices. He is a proactive learner who welcomes challenges and is committed to growth.

Dustin Bird

Senior Associate, Ad Ops
Dustin is a Senior Associate on the Ad Ops team at Yosemite. He brings over 6 years of experience as a paid media buyer specializing in social media. Dustin was originally born in West Virginia and now resides in Akron, OH. He draws on his experience from other highly regulated industries to ensure our clients are up to speed with social media advertising best practices and helps deliver efficient, timely content across social channels. Dustin is passionate about connecting client messages to engaged audiences, helping them drive change.

Matthew Soghoian

Software Developer
Matt Soghoian is a Software Developer at Yosemite Consulting, where he designs and builds internal tools to streamline operations and automate manual processes. With over 20 years of experience, Matt has developed software and cloud systems across industries including e-commerce, enterprise operations, media, ag tech, and government technology. He is based in Kingsburg, California.

Contact us

Setting up Programmatic Guarantees

Guaranteed access to premium inventory utilizing database targeting inputs to reach your target audience.

Political Competitives Tracking

In-depth insights into electoral and issue campaign and SuperPAC ad spending across Broadcast, Cable, and Digital. Complete with access to the spots themselves and text transcripts.

Terrestrial radio, linear and cable TV, out-of-home (OOH and DOOH) advertising

Beyond the Internet, we’ll plan and place a complementary media mix to reach your targets, including traditional radio and TV ads as well as out-of-home and digital-out-of-home visual advertising.

Non-English language consultation and placement

No matter how your targets consume information, we want to reach them where they are. Our team works to strategically integrate non-English language placements. Experience in Spanish, Mandarin, Cantonese, Tagalog, Khmer, Korean, Hmong, and Vietnamese, and English-speaking Native American and Black and African American community advertising.

 

Best-in-class reporting dashboard and analytics

We’re pulling back the curtain on persuasion advertising and showing you exactly how your resources are being spent — and how it’s working — on a custom dashboard.

Voterfile and Commercial File Targeting

Go beyond demographics and target exactly who you need to talk to, on a 1:1 basis. We work with voterfile and commercial file distributors to match offline voterfile records onto online device IDs in a privacy compliant manner.

Geographic and Contextual Placement

If you want to target someone based on where they live, where they go, or what they’re interested in, we can develop the right targeting strategy for you.

Direct to Publication Placement

We work with local and independent, as well as national media publishers to get your creative placed in the right mix of sites, channels, and apps.

Social Media and SMS Ad Placement

Whether it’s Facebook and Instagram, TikTok and YouTube, or SMS and iMessage, we’ll place your content directly in the feeds and inboxes of your target audience.

Commercial Competitives Tracking

Keep your ads close and your competitors’ ads closer. We’ll track everything there is to know about your market competitors: how much they’re spending, on what platforms, and through what creative.

Programmatic Media Placement

We are experts at delivering campaigns using Demand Side Platforms, leveraging relevant data and tapping into a large pool of inventory available via our Exchange and PMP relationships. We handle your complex setup, optimization, delivery and reporting needs when you need to place complex buys outside of social media platforms, at scale.

Data Lab

Yosemite has partnered with a range of pollsters to run experiments and dig deeper into the crucial question in persuasion advertising: have you moved the needle?

Media Planning

Changing hearts and minds starts with clear and thoughtful planning. Our expert media planners work with your team to develop the most strategic and effective mix of ad placements to reach the right audience with the right message. Sometimes this means weighting a budget more towards display advertising for GOTV, or Connected Television for a persuasion campaign. Often you’ll need to run multiple tactics in-market at once — we’ll help you figure out who gets what, when, and how much. 

Audience Research

We know your targets inside and out. Using Targetsmart, PDI, Comscore, Neilson, Resonate, Semcasting and other platforms, our team builds audience personas and conducts broad analysis on who exactly you need to be talking to in order to hit your goals. Diversifying = optimizing.

Media Planning

Changing hearts and minds starts with clear and thoughtful planning. Our expert media planners work with your team to develop the most strategic and effective mix of ad placements to reach the right audience with the right message. Sometimes this means weighting a budget more towards display advertising for GOTV, or Connected Television for a persuasion campaign. Often you’ll need to run multiple tactics in-market at once — we’ll help you figure out who gets what, when, and how much.