Within the first month of working with Signature Green, our products were featured in several national magazines! The response we have received from this exposure has been extraordinary.


David Mleczko
Co-founder, Signature and Signature Green Public Relations and Marketing

David brings both a business and marketing background to Signature Green. His work and consulting experience span multiple industries, environmental organizations and politics.

A Brown University graduate, David began his career as a speechwriter for a Fortune 500 company and was subsequently appointed as Director of Public Affairs for the White House Conference on Small Business, where he directed media relations and the presentation of financial and regulatory issues facing start-up and midcap companies across the country. His work in the environmental community included nine years as Public Affairs Director for Wildlife Conservation International, where he produced films on wildlife and conservation issues around the world and was instrumental in developing strategic marketing and branding relationships between the corporate and environmental communities.

Having launched his own successful marketing and business development company in 1989, David has worked with numerous corporate and growing businesses in developing and presenting their value messaging to a wide range of audiences. His clients included PepsiCo International, American Express, The Broadcaster’s Foundation, Cannondale Bikes, The Liberty Science Center and others. He has launched three successful companies: MarketD, Inc; his public relations and marketing firm, Dirt Camp; an international mountain biking instructional company and, with partner Melanie Frenkel, Signature Green, an industry-leading public relations and marketing firm working with environmentally responsible companies.

David maintains high-level relationships in the business and investment communities and within environmental groups, the entertainment industry and the media.

Melanie Frenkel
Co-founder, Signature Green Public Relations and Marketing

Melanie has spent nearly a decade in public relations and, before that, 10 years working as a news reporter, producer, and assignment editor in radio and television. Starting her TV career at WNBC-TV in New York, she moved on to CNN where she worked in various positions. Her work on CNN’s National Desk included both organizing ‘breaking’ and ‘next-day ‘news coverage of many historical and international events, including the U.S. submarine-Japanese fishing boat collision, the JFK Jr. plane crash, the Columbine school shootings, Egypt Air and Swissair airline crash disasters, Monica Lewinsky scandal, Gore-Bush election and the September 11th tragedy.

She received an Emmy in 2002 for her contributions at CNN for coverage of the September 11th terrorist strikes. In 1994, she received an Arizona Associated Press award for NPR radio coverage of the 75th anniversary of the Grand Canyon National Park.

In addition to training and career mentoring a number of professionals in public relations, she has generated consistent, major media coverage for clients ranging from the national morning shows, prime-time news outlets, to the top 25 newspapers in the country. She has worked with thousands of trade and consumer publications and local and regional media outlets over the years. More recently, the social media has become an increasingly important part of her work.

Melanie is among a handful of publicists in the country with a national TV news background. She brings a holistic public relations approach to her work at Signature Green, recognizing that every client has different set of objectives. Having run the gamut from working with start-up companies, multinationals, authors and inventors; today her passion is focused on the success of 'green', eco-responsible companies that range from healthy products and green technology and construction to working with renewable energy companies.

Melanie is a broadcast journalism graduate of Northern Arizona University.

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