--- title: "Pierre-Alexis Ardon" description: "Articles by Pierre-Alexis Ardon, Co-founder at Leonar. Read expert insights on recruiting, sourcing, and HR technology." url: "https://www.leonar.app/authors/pierre-alexis-ardon/" lang: "en" alternates: fr: "https://www.leonar.app/fr/authors/pierre-alexis-ardon/" de: "https://www.leonar.app/de/authors/pierre-alexis-ardon/" image: "https://www.leonar.app/og/og-default.png" tokens: 5690 --- 1. [Home](https://www.leonar.app/) 2. [Blog](https://www.leonar.app/blog/) 3. Pierre-Alexis Ardon ![Pierre-Alexis Ardon](https://www.leonar.app/_astro/pierre-alexis-ardon.ByBiMn-t_Z1OCvLG.webp) # Pierre-Alexis Ardon Co-founder at Leonar Pierre-Alexis Ardon is co-founder of Leonar, where he focuses on building AI-powered recruiting systems, sourcing automation, and search optimization. With a background in engineering and over 7 years working at the intersection of artificial intelligence and talent acquisition, he designs the algorithms that power Leonar's candidate matching and outreach automation. Pierre-Alexis advises recruitment agencies on their digital transformation and regularly publishes analyses on how AI agents are reshaping HR workflows. He is passionate about making advanced technology accessible to recruiters who are not engineers. AI recruiting systems Sourcing automation Recruiting analytics AI agents for HR [LinkedIn profile](https://www.linkedin.com/in/ardonpa/) ## Articles by Pierre-Alexis Ardon (41) - [![Loxo reviews analyzed across verified platforms and recruiter communities](https://www.leonar.app/_astro/loxo-alternatives.Bd82jBs4_2gP8P4.webp)](https://www.leonar.app/blog/loxo-reviews/) CRM & ATS Jul 23, 2026 ### [Loxo Reviews: What Recruiters Say in 2026](https://www.leonar.app/blog/loxo-reviews/) We analyzed Loxo reviews from G2, GetApp, Software Advice, Capterra and Reddit to show what recruiters like, dislike and should test. - [![Bullhorn reviews and current ATS pricing for staffing agencies](https://www.leonar.app/_astro/bullhorn-reviews-en-1.B5of0A2-_Z145umI.webp)](https://www.leonar.app/blog/bullhorn-reviews/) CRM & ATS Jul 23, 2026 ### [Bullhorn Reviews: What Staffing Teams Say in 2026](https://www.leonar.app/blog/bullhorn-reviews/) We analyzed 3,000+ Bullhorn ratings and Reddit discussions to explain its strengths, recurring complaints, pricing and best-fit teams. - [![Stage-based growth framework for scaling a recruitment agency from solo to team](https://www.leonar.app/_astro/how-to-grow-a-recruitment-agency.YaEziTuU_Z11VNeN.webp)](https://www.leonar.app/blog/how-to-grow-a-recruitment-agency/) Staffing Jul 23, 2026 ### [How to Grow a Recruitment Agency: The Stage Guide](https://www.leonar.app/blog/how-to-grow-a-recruitment-agency/) A stage-based framework to grow a recruitment agency: real thresholds, per-recruiter economics, and when to hire versus automate as you scale. - [![Retained vs contingency recruitment fee models compared side by side](https://www.leonar.app/_astro/retained-vs-contingency-recruitment.CQZCo8zN_ZhP39S.webp)](https://www.leonar.app/blog/retained-vs-contingency-recruitment/) Staffing Jul 23, 2026 ### [Retained vs Contingency Recruitment: Which Wins?](https://www.leonar.app/blog/retained-vs-contingency-recruitment/) Retained vs contingency recruitment compared: fees, exclusivity, speed, and a clear decision framework for which engagement model fits your next hire. - [![Agency recruiter marketing a most placeable candidate to hiring managers](https://www.leonar.app/_astro/most-placeable-candidate.DbF9AJ-a_ZJ0m2u.webp)](https://www.leonar.app/blog/most-placeable-candidate/) Staffing Jul 23, 2026 ### [Most Placeable Candidate: The MPC Marketing Playbook](https://www.leonar.app/blog/most-placeable-candidate/) What a most placeable candidate is and how to run an MPC marketing campaign that opens client doors, with copyable templates and a measurement model. - [![Recruitment business development: the complete guide for agencies](https://www.leonar.app/_astro/recruitment-business-development.B9Au5lqK_1QipaH.webp)](https://www.leonar.app/blog/recruitment-business-development/) Staffing Jul 23, 2026 ### [Recruitment business development: the complete guide](https://www.leonar.app/blog/recruitment-business-development/) A business development system for recruitment agencies: pipeline math, channels, cadence, tooling, and AI-assisted BD that wins more job orders. - [![LinkedIn Recruiter compose window showing the free send-as-email option](https://www.leonar.app/_astro/free-inmails-linkedin-recruiter.DceGgJbC_Z1J8MvR.webp)](https://www.leonar.app/blog/free-inmails-linkedin-recruiter/) LinkedIn Recruiter Jul 17, 2026 ### [Send Free InMails on LinkedIn Recruiter (2026)](https://www.leonar.app/blog/free-inmails-linkedin-recruiter/) Send InMails on LinkedIn Recruiter without spending credits: the official send-as-email option explained step by step, plus how to automate it. - [![Leonar desktop inbox recording a LinkedIn voice message for a candidate](https://www.leonar.app/_astro/linkedin-voice-messages.DOaIMcSB_17qIWi.webp)](https://www.leonar.app/blog/linkedin-voice-messages/) Outreach Jul 17, 2026 ### [LinkedIn Voice Messages: A Recruiter's Guide](https://www.leonar.app/blog/linkedin-voice-messages/) LinkedIn only lets you record voice messages on mobile. Here is how to send them, 30-second scripts for candidates, and how to automate voice notes. - [![Two ways to source in LinkedIn Recruiter with Claude AI, a fragile browser bot versus a structured connection](https://www.leonar.app/_astro/source-linkedin-recruiter-with-claude.DlfS3aJK_1gID7T.webp)](https://www.leonar.app/blog/source-linkedin-recruiter-with-claude/) Sourcing Jul 3, 2026 ### [Source LinkedIn Recruiter with Claude (No Browser Bots)](https://www.leonar.app/blog/source-linkedin-recruiter-with-claude/) Learn the clean way to source candidates in LinkedIn Recruiter with Claude AI, why browser bots fail, and how a structured tool does it reliably. - [![Recruiting agency tech stack mapped by function for sourcing, outreach, ATS and CRM](https://www.leonar.app/_astro/recruiting-agency-tech-stack-2026.Dg_5w86J_2jWYHL.webp)](https://www.leonar.app/blog/recruiting-agency-tech-stack-2026/) CRM & ATS Jul 2, 2026 ### [The 2026 Recruiting Agency Tech Stack](https://www.leonar.app/blog/recruiting-agency-tech-stack-2026/) The tools recruiting agencies actually use to source, engage, place, and bill in 2026, mapped function by function with honest options for each. - [![Candidate CRM vs client CRM comparison for recruiting agencies](https://www.leonar.app/_astro/candidate-crm-vs-client-crm.LMtrZnaK_Z1mvF3c.webp)](https://www.leonar.app/blog/candidate-crm-vs-client-crm/) CRM & ATS Jun 18, 2026 ### [Candidate CRM vs client CRM: what recruiters need to know](https://www.leonar.app/blog/candidate-crm-vs-client-crm/) Candidate CRM vs client CRM, explained for recruiters: what each does, when agencies need both, and how to manage talent and clients in one place. - [![Clean recruiting CRM with deduplicated candidate records and tidy pipeline](https://www.leonar.app/_astro/how-to-clean-recruiting-crm.BEWGh7OL_233e7y.webp)](https://www.leonar.app/blog/how-to-clean-recruiting-crm/) CRM & ATS Jun 18, 2026 ### [How to Clean Your Recruiting CRM](https://www.leonar.app/blog/how-to-clean-recruiting-crm/) A practical playbook to clean your recruiting CRM: kill duplicates, fix dead records, and keep candidate data clean for good. Start with one simple audit. - [![Recruitment ROI formula and metrics dashboard for talent acquisition teams](https://www.leonar.app/_astro/recruitment-roi-guide.D6U91lIo_G6LM.webp)](https://www.leonar.app/blog/recruitment-roi-guide/) Staffing Jun 18, 2026 ### [Recruitment ROI Formula: The Complete 2026 Guide](https://www.leonar.app/blog/recruitment-roi-guide/) Learn the recruitment ROI formula, cost-per-hire math, and the metrics that prove hiring value, with two worked examples and the levers that lift ROI. - [![Recruiting software pricing comparison: Leonar, Loxo, Recruiterflow, Recruit CRM](https://www.leonar.app/_astro/pricing-comparison.DvPQ-31k_ZwRRid.webp)](https://www.leonar.app/blog/pricing-comparison/) CRM & ATS Jun 17, 2026 ### [Loxo vs Recruiterflow vs Recruit CRM pricing](https://www.leonar.app/blog/pricing-comparison/) Compare Loxo, Recruiterflow, Recruit CRM and Leonar pricing side by side, and see which AI sourcing tier is public and which hides behind a quote. - [![Why executive searches fail and how to fix the most common challenges](https://www.leonar.app/_astro/why-executive-searches-fail.BgK0sSkp_Z2wKeP7.webp)](https://www.leonar.app/blog/why-executive-searches-fail/) Staffing Jun 17, 2026 ### [Why Executive Searches Fail (and How to Fix Them)](https://www.leonar.app/blog/why-executive-searches-fail/) Nearly half of executive searches fail. Here are the real executive search challenges behind a stalled mandate, and the fixes that get it back on track. - [![AI resume screening reading and ranking candidate applications by contextual fit](https://www.leonar.app/_astro/ai-resume-screening.CNX3icBl_Z2sBu33.webp)](https://www.leonar.app/blog/ai-resume-screening/) AI & Automation Jun 16, 2026 ### [AI resume screening: how machine learning finds the best candidates](https://www.leonar.app/blog/ai-resume-screening/) AI resume screening explained for recruiters: how machine learning parses, scores, and ranks candidates fairly, plus the bias and compliance traps. - [![How AI is transforming executive search for retained search consultants](https://www.leonar.app/_astro/ai-transforming-executive-search.DgE9HVN5_ISQoP.webp)](https://www.leonar.app/blog/ai-transforming-executive-search/) AI & Automation Jun 16, 2026 ### [How AI Is Transforming Executive Search](https://www.leonar.app/blog/ai-transforming-executive-search/) See how AI is reshaping executive search, from talent mapping to candidate assessment, and where consultant judgment still wins retained mandates. - [![Executive search software features checklist for retained search firms](https://www.leonar.app/_astro/executive-search-ats-features.S_PxWDAr_1rnVhn.webp)](https://www.leonar.app/blog/executive-search-ats-features/) Staffing Jun 16, 2026 ### [Executive Search Software Features That Matter](https://www.leonar.app/blog/executive-search-ats-features/) The executive search software features that decide a retained search: multi-client confidentiality, included sourcing, and transparent pricing. - [![AI-native ATS architecture compared with a legacy ATS that bolts AI on top](https://www.leonar.app/_astro/what-is-ai-native-ats.fr62V3gg_1QNkqI.webp)](https://www.leonar.app/blog/what-is-ai-native-ats/) AI & Automation Jun 15, 2026 ### [What does "AI-native ATS" really mean?](https://www.leonar.app/blog/what-is-ai-native-ats/) AI-native ATS is the buzzword of 2026. Here is what it actually means, why you cannot retrofit it, and a 5-signal test to spot the real thing. - [![Applicant tracking system dashboard showing a candidate pipeline](https://www.leonar.app/_astro/what-is-an-applicant-tracking-system.bAsPgDSh_ZVLktz.webp)](https://www.leonar.app/blog/what-is-an-applicant-tracking-system/) CRM & ATS Jun 15, 2026 ### [What is an applicant tracking system (ATS)?](https://www.leonar.app/blog/what-is-an-applicant-tracking-system/) An applicant tracking system (ATS) is recruiting software that manages hiring from job post to offer. Here is what an ATS does and who uses it. - [![Modern ATS vs legacy ATS comparison for recruiting agencies](https://www.leonar.app/_astro/modern-ats-vs-legacy-ats.CPpQNAZO_Z29H5u2.webp)](https://www.leonar.app/blog/modern-ats-vs-legacy-ats/) CRM & ATS May 26, 2026 ### [Modern ATS vs Legacy ATS: 7 Things That Changed in 2026](https://www.leonar.app/blog/modern-ats-vs-legacy-ats/) Five years ago, Bullhorn and PCRecruiter set the bar. In 2026, modern recruiting agency ATS ship features they never will. Here is what changed. - [![Best Recruiterflow alternatives and competitors compared in 2026](https://www.leonar.app/_astro/recruiterflow-alternatives.Dgp2O2yK_Z1is4gr.webp)](https://www.leonar.app/blog/recruiterflow-alternatives/) CRM & ATS May 15, 2026 ### [6 Best Recruiterflow Alternatives & Competitors in 2026 (Tested)](https://www.leonar.app/blog/recruiterflow-alternatives/) Compare the top Recruiterflow alternatives in 2026: pricing, AI depth, LinkedIn integration, and which fits your agency. Real numbers, honest verdicts. - [![Downgrade LinkedIn Recruiter Corporate to Lite migration playbook](https://www.leonar.app/_astro/downgrade-linkedin-recruiter-corporate-to-lite.DsW0Lp1Z_1ep8uG.webp)](https://www.leonar.app/blog/downgrade-linkedin-recruiter-corporate-to-lite/) LinkedIn Recruiter May 6, 2026 ### [How to Downgrade LinkedIn Recruiter Corporate to Lite (2026)](https://www.leonar.app/blog/downgrade-linkedin-recruiter-corporate-to-lite/) Yes, you can downgrade from LinkedIn Recruiter Corporate to Lite. Here is the 5-step migration playbook, what you lose, and how to keep your project history. - [![LinkedIn Recruiter price increase 2026 response options](https://www.leonar.app/_astro/linkedin-recruiter-price-increase-2026.Da7HPgcz_Z1d6Utl.webp)](https://www.leonar.app/blog/linkedin-recruiter-price-increase-2026/) LinkedIn Recruiter May 6, 2026 ### [LinkedIn Recruiter Price Increase 2026: What to Do About It](https://www.leonar.app/blog/linkedin-recruiter-price-increase-2026/) LinkedIn raised Recruiter Corporate ~15% in 2026. Here are the 3 ways agencies are responding, with real renewal math and the no-replacement shared-seat play. - [![Shared LinkedIn Recruiter seat model for recruiting agencies](https://www.leonar.app/_astro/shared-linkedin-recruiter-seat-for-agencies.BghFhywT_MGqoF.webp)](https://www.leonar.app/blog/shared-linkedin-recruiter-seat-for-agencies/) LinkedIn Recruiter May 6, 2026 ### [Shared LinkedIn Recruiter Seat: Cut 50-75% LinkedIn Cost](https://www.leonar.app/blog/shared-linkedin-recruiter-seat-for-agencies/) Can your team share one LinkedIn Recruiter seat? A connected-account model instead of a shared login: the setup, the math, and the ToS risks. - [![Sourcing vs recruiting differences for recruiters and hiring teams](https://www.leonar.app/_astro/sourcing-vs-recruiting.CxScdTHF_Z6Rprf.webp)](https://www.leonar.app/blog/sourcing-vs-recruiting/) Sourcing Apr 13, 2026 ### [Sourcing vs Recruiting: Differences and Why It Matters](https://www.leonar.app/blog/sourcing-vs-recruiting/) What separates sourcing from recruiting? Learn the key differences, when each skill kicks in, and how to balance both in your daily hiring workflow. - [![Best executive search ATS platforms compared for retained search firms](https://www.leonar.app/_astro/best-ats-executive-search-firms.DLsEuBQD_Z2etQKQ.webp)](https://www.leonar.app/blog/best-ats-executive-search-firms/) Staffing Apr 10, 2026 ### [The 8 Best Executive Search ATS Platforms in 2026](https://www.leonar.app/blog/best-ats-executive-search-firms/) Compare 8 executive search ATS platforms with published pricing, retained-search features, and a scoring framework built for boutique firms. - [![Recruiting agency using AI agents to find and win new clients through automated targeting and outreach](https://www.leonar.app/_astro/find-clients-recruiting-agency-ai-agents.BH5rn2Qr_ZI8wkf.webp)](https://www.leonar.app/blog/find-clients-recruiting-agency-ai-agents/) Staffing Mar 10, 2026 ### [Find Clients for Your Recruiting Agency Using AI Agents](https://www.leonar.app/blog/find-clients-recruiting-agency-ai-agents/) Use AI agents like Claude and ChatGPT to find, target, and win new clients for your staffing agency. Includes prompts, connected workflows, and templates. - [![Recruitment agency fee structures and pricing breakdown for employers](https://www.leonar.app/_astro/how-much-do-recruitment-agencies-charge.DDCDgZ7l_2alm7v.webp)](https://www.leonar.app/blog/how-much-do-recruitment-agencies-charge/) Staffing Mar 10, 2026 ### [How Much Do Recruitment Agencies Charge? (2026 Calculator)](https://www.leonar.app/blog/how-much-do-recruitment-agencies-charge/) Recruitment agencies charge 15-30% of first-year salary. Free fee calculator, real numbers by role type, negotiation scripts, and the in-house alternative. - [![AI sourcing agent workflow for recruiters showing candidate pipeline automation](https://www.leonar.app/_astro/source-candidates-ai-agents-workflow.CJGtAIHl_1HI1UB.webp)](https://www.leonar.app/blog/source-candidates-ai-agents-workflow/) AI & Automation Mar 10, 2026 ### [AI Sourcing Agents: a Step-by-Step Recruiting Workflow](https://www.leonar.app/blog/source-candidates-ai-agents-workflow/) Learn how to source candidates with AI agents. Step-by-step workflow with prompts, integration scripts, and outreach templates recruiters can use today. - [![Passive talent sourcing - the ultimate guide in 2026](https://www.leonar.app/_astro/passive-talent-sourcing-the-ultimate-guide-in-2023.ClKi25OT_ZFqItF.webp)](https://www.leonar.app/blog/passive-talent-sourcing-the-ultimate-guide-in-2023/) Sourcing Mar 9, 2026 ### [Passive Talent Sourcing: The Complete Guide (2026)](https://www.leonar.app/blog/passive-talent-sourcing-the-ultimate-guide-in-2023/) Learn how to source passive candidates with proven strategies. Build talent pipelines, engage top performers, and reduce time-to-fill. - [![AI sourcing agent compared to traditional recruiting methods across speed, cost, and quality metrics](https://www.leonar.app/_astro/ai-sourcing-agent-vs-traditional-recruiting.BoRG2NA7_Z1yHKEK.webp)](https://www.leonar.app/blog/ai-sourcing-agent-vs-traditional-recruiting/) AI & Automation Feb 18, 2026 ### [AI Sourcing Agent vs Traditional Recruiting](https://www.leonar.app/blog/ai-sourcing-agent-vs-traditional-recruiting/) Compare AI sourcing agents to manual recruiting across speed, cost, quality of hire, and scalability. Data-backed analysis with real benchmarks. - [![How AI sourcing agents work for recruiters, from candidate search to automated outreach](https://www.leonar.app/_astro/what-is-ai-sourcing-agent.mBc_uM4n_Z20fEWN.webp)](https://www.leonar.app/blog/what-is-ai-sourcing-agent/) AI & Automation Feb 18, 2026 ### [What Is an AI Sourcing Agent? How It Works for Recruiters](https://www.leonar.app/blog/what-is-ai-sourcing-agent/) AI sourcing agents autonomously find, rank, and engage candidates. Learn how they work, what sets them apart from traditional tools, and what to evaluate. - [![Best AI recruiting tools compared for sourcing, screening, and hiring in 2026](https://www.leonar.app/_astro/ai-recruiting-tools.BqkMZerd_Zkb7s9.webp)](https://www.leonar.app/blog/ai-recruiting-tools/) AI & Automation Feb 10, 2026 ### [13 Best AI Recruiting Tools in 2026 (Compared & Ranked)](https://www.leonar.app/blog/ai-recruiting-tools/) We compared 13 AI recruiting tools for 2026 across sourcing, screening and outreach. Verified pricing, pros, cons and the best pick for your team. - [![Best recruitment CRM software compared for agencies and in-house recruiting teams in 2026](https://www.leonar.app/_astro/best-recruitment-crm.C6EOO4kr_Z18Vepq.webp)](https://www.leonar.app/blog/best-recruitment-crm/) CRM & ATS Feb 10, 2026 ### [13 Best Recruitment CRM Systems in 2026 (Tested)](https://www.leonar.app/blog/best-recruitment-crm/) We tested 13 recruiting CRM systems in 2026, including RecruitCRM pricing. Real costs, features and pros/cons for agencies and in-house TA teams. - [![Candidate relationship management tools and strategy guide for recruiters](https://www.leonar.app/_astro/candidate-relationship-management-tools.CadLzARy_Z1RTz8o.webp)](https://www.leonar.app/blog/candidate-relationship-management-tools/) CRM & ATS Feb 10, 2026 ### [Candidate Relationship Management Guide](https://www.leonar.app/blog/candidate-relationship-management-tools/) Learn what candidate relationship management is, how it differs from an ATS, and which CRM tools help recruiters build engaged talent pools. - [![Best applicant tracking systems for recruiting agencies](https://www.leonar.app/_astro/applicant-tracking-systems-staffing-agency.B7UXQqX1_Z1jCp6O.webp)](https://www.leonar.app/blog/applicant-tracking-systems-staffing-agency/) CRM & ATS Feb 5, 2026 ### [Best applicant tracking systems for recruiting agencies](https://www.leonar.app/blog/applicant-tracking-systems-staffing-agency/) Compare the best ATS for recruiting agencies and see how pairing an applicant tracking system with a recruitment CRM helps you win more placements. - [![LinkedIn Recruiter Automation Tools](https://www.leonar.app/_astro/linkedin-recruiter-automation-tools.Bqmt-Qye_H8Q1k.webp)](https://www.leonar.app/blog/linkedin-recruiter-automation-tools/) LinkedIn Recruiter Jan 29, 2026 ### [LinkedIn Recruiter Automation Tools: 5 Tested in 2026](https://www.leonar.app/blog/linkedin-recruiter-automation-tools/) We tested 5 LinkedIn Recruiter automation tools in 2026: sequences, drip cadences, follow-ups, and pipeline triggers. Pick the right workflow builder. - [![10 Best Email Finder Tools for Recruiters](https://www.leonar.app/_astro/email-finder-for-recruiters.Cren_HS1_1sW93E.webp)](https://www.leonar.app/blog/email-finder-for-recruiters/) Sourcing Dec 15, 2025 ### [10 Best Email Finder Tools for Recruiters](https://www.leonar.app/blog/email-finder-for-recruiters/) Looking for a great email finder tool? Compare pricing, features and reviews of the top apps available now. See the list. - [![How to reduce LinkedIn Recruiter cost without replacing it in 2026](https://www.leonar.app/_astro/reduce-linkedin-recruiter-cost.mnwMOJ1q_ZC3q2s.webp)](https://www.leonar.app/blog/reduce-linkedin-recruiter-cost/) LinkedIn Recruiter Dec 15, 2025 ### [How to Reduce LinkedIn Recruiter Cost in 2026](https://www.leonar.app/blog/reduce-linkedin-recruiter-cost/) Cut your LinkedIn Recruiter bill 50-75% in 2026. Real prices, the shared-seat math, migration playbook, and the calculator no other guide ships. - [![Building an efficient Talent Acquisition Process](https://www.leonar.app/_astro/talent-acquisition-process.C26gP4xo_Uj3Vi.webp)](https://www.leonar.app/blog/talent-acquisition-process/) Sourcing Dec 9, 2025 ### [Building an efficient Talent Acquisition Process](https://www.leonar.app/blog/talent-acquisition-process/) Enhance your hiring strategy with an efficient Talent Acquisition Process. Learn how to attract and retain top talent effectively.