is co-founder and CEO of the RKG(Rimm-Kaufman Group), a leading data-driven digital marketing agency providing full-service PPC and SEO management through proprietary tools.

He is a long-time contributor to SEL, a frequent speaker at SMX shows, Search Insider Summit, Internet Retailer, Shop.org, Etail and others, and writes for RKG Blog. Follow him on Twitter at @rimmkaufman.

• How Device Specific SEM Can Lead To More Valuable Traffic
• What Is The Real Value Of Branded Search Campaigns?
• 4 Reasons Your Boss Might Hate Your SEM Campaign
• The Paid Search Uncertainty Principle
• Paid Search: The Bright-Line Divide
• How Would You Create The Perfect Search Engine?
• Brand Ad Cannibalism: A Tale Of Two Tests
• Understanding Google’s Latest Landing Page Quality Score Release
• A Quality Score Rant Plus 3 Suggestions For The Engines To Improve It
• New Insights Into The Google Auction
• 8 Thoughts On Cookie Tracking & 3 Ways To Create Cookie Windows
• The Challenges & Benefits Of Attributing Incremental Value
• 6 Ways Backfeed Data Can Boost Your Bid Management
• Averages Lie: A Guide To Understanding Increments & Bid Simulator
• 9 Tips For Using Product Listing Ads
• 10 Steps To Setting Initial Bids
• 3 Ways Google Could Adjust The Revenue Dials
• Questioning Paid Search Benchmarks
• Paid Search: Man Vs. Machine
• Google’s Advertising Policies: A Plea For Understanding
• Time To Rally For An Advertiser’s Bill of Rights
• Google Instant: The Impact On Paid Search
• Effectively Prioritizing Your Paid Search Tasks
• When More Is Actually Less In Paid Search
• The Cost Of Multichannel Cannibalism
• The Yahoo To Bing Migration: Details & Advice
• User Behavior In Paid Search
• Do You Know The True Value Of Your Paid Search Traffic?
• Google: “It’s Not A Bug, It’s A Feature!”
• Maximizing ROI: The Wrong Game
• The Pundits Are Wrong! Don’t Cut Off Your Tail
• Choose Your Paid Search Landing Pages Wisely
• A Rational Plea For Paid Search Syndication Controls
• PPC Bid Management Tips For The Holiday Season
• Paid Search Is About Process, Not Planning
• Be Careful When Evaluating Paid Search Tests
• PPC Lessons From The Catalog Industry
• How Multiple Marketing Channels Impact PPC Performance
• Giving Credit Where Credit Is Due
• PPC Agencies: Not One Size Fits All
• Smart Bidding Requires Smart Ad Clusters
• Evaluating Paid Search Performance In A Down Economy
• Is Your Search Advertising Budget Harming Your Results?
• Heads-Up, Google: Broad Match Controls We Need
• The SEM RFP: Questions You Must Ask
• PPC Holiday Tips: It’s all about Execution
• The PPC Buying Cycle: Buyer Beware!
• Why Position Bidding Wastes Money
• 9 Keys to Successful Day-Parting
• Pay-Per-Click Averages Hide Incremental Realities