Kiri Masters

Kiri Masters is the Founder & CEO of Bobsled Marketing, a digital agency created to help consumer product brands grow and protect their Amazon marketplace channels.

After a successful career as a commercial banker at JPMorgan Chase, Kiri launched her first e-commerce business on Amazon. Recognizing the enormous potential of the channel, it wasn’t long until Kiri decided to build a team of true Amazon experts and provide a platform for brands that were looking to grow.

Her entrepreneurial mind and passion for ecommerce, allowed Kiri to become a strong voice in the Amazon world. Today she is the author of ‘The Amazon Expansion Plan’ and a contributor on where she writes about Amazon from a brand’s perspective.

Kiri is also featured on the RetailWire panel of retail experts, a co-host of the Ecommerce BrainTrust podcast and the winner of a Silver Stevie® Award for Young Female Entrepreneur of the Year.

    Tom Crosthwaite

    As co-founder and Marketing Manager, Tom spends most of his time listening to our prospective clients to understand the unique conditions that affect their brands on Amazon and earning their trust by demonstrating how an effective Amazon channel strategy can help them achieve their revenue goals without hurting brand perception.

    Beyond his current role at Bobsled, Tom has a background in digital marketing and is an Australian native who now lives in Brooklyn, New York.

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    Julie Spear

    As Bobsled's first employee, Julie’s had the benefit of filling positions from Account Associate, to Account Specialist, to Project Manager, Operations Manager and Vice President of Operations. These experiences offered insight into the inner workings of each role on the Client Delivery team and the needs of our clients. Prior to joining Bobsled, Julie was the Program Director for a large private school in Chicago. Julie saw the school through an extended period of significant change and growth (more than 500%). This experience helped Julie to grow her my strategic planning skills to facilitate an organization's planned growth, while also supporting teams and holding true to the organization’s vision and values.   

    Julie is the co-host of the Ecommerce Brain Trust podcast.

    “My background in education and counseling also helps me ask the right questions to get to the essence of an issue and help find solutions.”  

    Joanna Otto

    Joanna Otto was a Amazon Brand Specialist and Associate Vendor Manager before joining Bobsled in 2018. She worked with over 100 Vendors to create merchandising plans, conduct financial analysis of business growth opportunities, and leverage marketing outlets to increase exposure and SEO for her assigned accounts. During this time she worked primarily with apparel and footwear brands, one of the most complex categories on Amazon.

    Joanna's direct experience of working with Vendors within Amazon's closed systems allows her to quickly benchmark and execute on business opportunities for Bobsled's clients.

    "In 4.5 years at Amazon, I have developed an "Amazonian" mentality and exercise deep diving, thinking big, and earning trust of others."

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    Jennifer Hozer

    Jennifer has spent the majority of her career in the entertainment industry. From the Ellen DeGeneres Show to NBC, her skills as a producer, and as an executive growing a licensing division within the network, tapped her expertise in business strategy, marketing and project management.

    Her entrepreneurial spirit lead her to Amazon and she never looked back. She successfully launched a brand of French born baby products with great success. Over the last few years she ran her own consulting company helping clients achieve success in revenue growth and brand awareness through her creative solutions and results-oriented strategic vision.

    Jennifer is passionate about problem solving, always looking for solutions that will improve any situation for her clients so they can realize their goals.  She calls Los Angeles, California home.

    Jennifer also joined us on Season 2 of the Ecommerce Braintrust Podcast where she shared her expert advice and knowledge. Tune in to enjoy more content from Jen.

    Jesse Chembars

    Jesse has an extensive background in e-commerce project management, having worked with both large established brands and private label products. Beyond Amazon, he also worked with other marketplaces including Wal-Mart, eBay, Sears, and Jet.

    Jesse is highly analytical, having earned a degree in business administration focused on Finance, and likes to let the data in client accounts tell its own story.

    He is truly passionate about helping businesses grow and educating e-commerce sellers on the nuances of Amazon.

    Jesse has made it his personal mission to stay on top of all Amazon news and trends - a daunting task for some but a motivator for Jesse!  

    Louise Gray

    Louise is a certified Client Services Manager through the Project Management Institute and is credited for launching a wide range of projects, from motion capture stage construction to national press conferences and multi-million dollar video games.

    Her impeccable organization skills and articulate communication give her an edge when navigating the complex and ever-changing world of Amazon.

    With an MBA in Marketing and Finance, Louise is in tune with client priorities and loves to create long-term strategies for them on Amazon.

    Louise has a sharp eye for detail and loves digging into our client accounts, identifying opportunities to drive growth on Amazon.

    Lauren Sutehall

    Lauren has an MBA from Northwestern University’s Kellogg School of Management. She is an experienced Project Manager and team leader. 

    Her experience includes international work as a Senior Consultant for Deloitte where she optimized product listings by assessment and expansion of Deloitte's Global Products and Solutions Storefront. 

    Detail oriented and curious, Lauren loves the unique challenges Amazon can present.  You can count on her to dedicate herself to researching and advocating for her client needs on Amazon until a solution is found!

    Lauren’s extensive experience in data analytics is a great fit for analyzing the world of Amazon and determining ways to help our clients’ product sales grow.

    Rachel Street


    Mandated by performance, driven by data and passionate about all things Amazon, Rachel comes from a leading retailer within the online marketplaces and has worked tirelessly to help hundreds of brands market their products on Amazon.

    A digital marketer at heart, her analytical approach to the marketplaces ensures that all objectives are measurably accomplished and geared towards long-term success.

    Rachel welcomes both change and challenge, knowing that obstacles and success paths are fluid on Amazon and require continual strategic management.

    Stefan Jordev

    Stefan is Amazon Advertising certified, as Bobsled was among the first companies in the World to participate in Amazon's BETA certification program.

    Prior to Bobsled, Stefan managed digital advertising campaigns at the Swedish software and consulting company Seavus, worked on a master's degree in E-business, and became a thought leader in the online marketing space, having written for several industry publications.

    His multi-disciplinary digital marketing background includes Bing ads, AdWords, lead generation, email & social media marketing, and certification in Google Adwords. His home is in Skopje, Macedonia.

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    Ioana Andries


    Prior to joining Bobsled as a PPC Manager, Ioana worked as an advertising account manager for dozens of brands on Amazon.

    Ioana takes the time to understand her clients' products and advertising goals, making for productive partnerships. Ever the student, Ioana's love of learning and curiosity ensure she stays on top of Amazon's advertising trends and changes.

    Data-driven, Ioana is at home in excel, analyzing the numbers to determine the best strategies for continued growth in her accounts.  She loves traveling, and her current home is in Romania's beautiful city of Constanta.

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    Will Haire

    Will is a responsible for managing and growing our clients’ paid search results at Bobsled. Will is a certified Google Partner and as a digital marketer, his portfolio includes companies like Upglobal, OneWayLimo and the Smithsonian Channel.

    Will has worked in different capacities supporting digital marketing efforts for startups and businesses of all sizes. He is a flexible, organized and data-driven PPC Manager who is skilled at identifying key metrics to target in order to achieve growth.  He enjoys collaborating with Bobsled team members and his clients to meet account goals.

    “I am metrics driven and a proponent of the Lean Analytics system of marketing. My strength lies in my ability to manage expectations, manage interpersonal skills and execute on digital strategies to achieve company objectives.”

    Aleksandar Gadjovski

    Aleks’ background in internet marketing, specifically Google Analytics, Adwords and SEO, combines his prior interests in programming and economics.

    At Bobsled, he creates and optimizes Amazon advertising campaigns in Vendor and Seller Central for his clients. Aleks holds a bachelor's degree in E-business.

    “I am a member of the local Mountain Search and Rescue Unit, and I can say with confidence that I know how to be a team player and work under pressure when the stakes are high.”

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    Nikola Bashic

    Nikola is a PPC Manager certified in digital marketing through HubSpot Academy and Google AdWords. He has also completed & achieved his Amazon Advertising Certification through their DSP platform, formally AAP.

    Before that, he worked as a High School teacher for several years. His major subjects to teach were Entrepreneurship and Business Administration.

    Most recently, Nikola is working as an Amazon PPC Manager, helping clients to reach their revenue goals through paid ads on Amazon. Nikola has a master degree in finance and business administration and in his work he is highly creative and detail oriented. He lives with his dear family in Subotica, Serbia.

    “In my work I am highly creative and detail oriented.”

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    Saied Ghaffarian

    Prior to joining Bobsled, Saied was the Director of Sales & Marketing at Ethnic Lanna, a Thai manufacturer of Handbags, Clothing and Apparel. There, he managed a catalog of 10,000 items across 16 online storefronts including ebay, etsy, alibaba, and Amazon).

    Saied also worked as a Project Manager at the software company AMZ Tracker. He worked side by side with sellers to provide insights into listing performance, ranking, and developing strategies and writing content with a focus on maximizing revenue.

    Saied prides himself on his ability to listen really well. “Before Bobsled can help any client, it's important to understand their needs and the unique challenges they face. Every account is unique. If you're not listening to a client, you won't know how to help them.”

    Brittany Startzel

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    Brittany spent four years working for one of the largest third-party retailers on Amazon and specialized in account management, with a portfolio of roughly three hundred brands. Her love for the online world began at the University of Montana where she was the first student to graduate from the Social Media Management program.

    As an expert in onboarding new clientele, she transitioned to a lead sales role and focused on cultivating partnerships specifically for the Amazon platform, as well as international markets. Brittany was intricately involved in organization, training, and innovation within her department and brings to Bobsled the same passion for building long-lasting relationships through bootstrap measures and creative initiatives.

    Brittany's years of experience within the retail space on Amazon provides fresh insight to the brands she connects with and allows for a genuine understanding of the pain points that naturally come with selling on the marketplace. Her love of relationships, creative thinking, and problem-solving made for a natural transition into the Sales Manager role at Bobsled.

    Danica Petrovic

    Danica has been with Bobsled since October 2016 as an Account Specialist, where she gained an extensive knowledge of Amazon systems and successfully launched and optimized hundreds of client’s listings. Her natural curiosity led her to take more interest in advertising part of Amazon system and shift to Data specialist role within the team. With positive attitude, attention to detail and result-driven approach she has become a valuable member of PPC team.

    The ultimate team player, Danica can be counted on to contribute her skills wherever needed.

    Before joining Bobsled, Danica has earned a master's degree in ecology, and enjoys volunteering for ecology groups.

    Armin Alispahic

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    Armin has substantial experience in e-commerce, especially with Amazon. His expertise covers all Amazon selling platforms and he has worked with clients across multiple Amazon marketplaces. On a daily basis, he identifies and troubleshoots critical performance issues for clients while keeping an eye out for growth opportunities.

    With his vast knowledge of the intricacies of the Seller Central and Vendor Central platforms, Armin is quick to answer client questions and successfully troubleshoot the unexpected that can arise when selling on Amazon.  He could be considered a one person Help Line!

    Sergey Flid

    Sergey’s past work experience includes bookkeeping for an accounting firm, and in Internal Audit at KPMG. This experience trained Sergey to be a master of Excel, working with large data sets, and also the skill of prioritizing and multitasking effectively.  He is adept at listening to the internal and client reporting needs, gathering data and pulling it into a user-friendly, workable form.

    Sergey has a Bachelor degree in Accounting, Taxation, and Audit, and is completing his Masters degree in the same field.

    “My personal motivation, desire to implement existing knowledge and to learn new things, a willingness to become better in my professional area and to have fun working remotely with awesome team all over the world - all this brought me in Bobsled.”

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