​Whether it's increasing B2B or B2C visibility, strategic editorial development, content management, partnerships or business development, we help clients in the luxury lifestyle and the life science industries get the attention they deserve. From the development and management of content to how one communicates with one's audiences, our network of professionals is ready to help you get results.​ Isabelle is also a guest lecturer at Harvard Business School and Boston University on luxury marketing and an adviser to Harvard's Executive Education Program and writes multiple publications including DeluxePad​, Cottages & Gardens, and The Epoch Times. 

A specialty retail division Kellogg and Koch in partnership with Jeff Koch, manages retail programs for fine jewelers at Neiman Marcus, The Wynn, Bergdorf Goodman, Starboard Cruise Lines, London Jewelers and other nationally recognized independent jewelry stores.

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With experience in luxury lifestyle and life science, Kellogg and Partners has a global network of specialists and consultants covering content creation, digital media and design. We work with editors of life science trade journals in the life sciences to develop articles and blogs, as well as participate on behalf of our clients at leading life science industry conferences.  
 
In 2003 she opened her own agency. She started her PR career at MS&L where she worked in the New York and Washington D.C. offices before moving to other nationally recognized public relations agencies to represent premium liquor, food and cultural accounts. Isabelle joined prestige jeweler Chopard as PR Director US and then JWT where she was a senior vice president and Associate Director, Prestige Diamonds, on the DeBeers account.  
 
Isabelle is a guest lecturer at Harvard Business School, Harvard University’s Executive Education Program and Boston University on the topic of luxury marketing, focusing on Harvard Business School’s Case Study on French fine jeweler Mauboussin which Isabelle helped research and author.  
 
The agency recently launched a specialty retail division, Kellogg & Koch, to provide an important liaison between fine jewelers and the buyers at Neiman Marcus, Bergdorf Goodman, Saks Fifth Avenue, Bloomingdale’s, London Jewelers and other nationally respected specialty retailers and independent jewelry stores, managing all aspects of retail operation for fine jewelry clients.  
 
Isabelle’s numerous editorial affiliations include DeluxePad where she has a monthly column on luxury lifestyle, Cottages & Gardens magazines where she is the jewelry editor, a travel and culture writer for The Epoch Times and a hotel reviewer for the website thewisetraveller.

Publications ​

As a travel and luxury editor and writer, view her various written work by choosing a publication on the list next to this text. ​

Isabelle Kellogg

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Isabelle started her public relations career at Manning, Selvage & Lee, followed by Rand and LaForce & Stevens and was recognized across the country as one of the first food and wine publicists for her work with Godiva, The Rice Council, Korbel Champagne Cellars, Bon Appetit and Gourmet magazines, Pepperidge Farm, Taittinger Champagne and celebrity chefs Dean Fearing and Grey Kunz. Isabelle left LaForce & Stevens for Chopard as Director of PR US. One year later, Isabelle joined JWT (J Walter Thompson), the marketing arm of DeBeers USA as Associate Public Relations Director, and a Senior Partner at JWT, where she worked for two years to handle media relations (both consumer and trade), special events and spokesperson duties on behalf of the luxury diamond market, including opening the first Graff boutique on Madison Avenue, the AmFar event at the Cannes Film Festival where 10 of the world’s most spectacular diamontaires created extravagant diamond pieces; she also helped launch the Hearts on Fire diamond brand. 
 
In 2003, Isabelle left JWT/DeBeers and opened her own agency with many of the diamontaires she had worked with Martin Katz, William Goldberg, Kaufmann de Suisse and introduced many of Italy's finest jewelers to the US, including  She introduced many top of the line Italian jewelers to the US, including Valente Milano and Giorgio Visconti.  Recently, she represented  Marina B, Misahara, Mimata and Mauboussin. In 2010, Isabelle's agency welcomed fine art and antiques clients: M.S. Rau Antiques, Joan Mirviss Ltd, Fitzgerald Fine Arts, Vandeuren Galleries, further enriching her experience and scope of influence. 

In 2012, Isabelle added a division to provide editorial content and conference management for architecture, pharmaceutical and medical clients: JacobsWyper Architects, Crystal Pharmatech, US-China Pharma Conference, Clinique La Prairie, Clinique YFT, Precis Engineering, Smile in the City, and became active in trade organizations such as ISPE and MAAM.  
 
Isabelle's on-going editorial work encompasses travel, culture, luxury lifestyle, fine jewelry and watches and includes these publications: DeluxePad, The Epoch Times Canada and US editions,  Cottages & Gardens magazines, and thewisetraveller.com.